2021/09/22 更新

写真a

ナガナワ シンジ
長縄 慎二
NAGANAWA, Shinji
所属
大学院医学系研究科 総合医学専攻 高次医用科学 教授
大学院担当
大学院医学系研究科
学部担当
医学部
職名
教授
連絡先
メールアドレス

学位 1

  1. 医学博士 ( 1998年3月   名古屋大学 ) 

研究キーワード 2

  1. 磁気共鳴画像 脳機能画像 拡散強調画像 内耳高分解能画像 鼓室内Gd注入

  2. 磁気共鳴画像 脳機能画像 拡散強調画像 内耳高分解能画像 脳老廃物排泄機構

研究分野 2

  1. その他 / その他  / 放射線科学

  2. ライフサイエンス / 放射線科学

現在の研究課題とSDGs 1

  1. 内耳の高分解能MRIに関する研究

経歴 4

  1. 名古屋大学   脳とこころの研究センター   所長(センター長)

    2015年4月 - 2019年3月

  2. 名古屋大学   医学部附属病院   放射線部長

    2006年7月 - 現在

  3. 名古屋大学   大学院医学系研究科 量子医学   教授

    2006年7月 - 現在

  4. 名古屋大学   医学部附属病院   放射線科科長

    2006年7月 - 現在

学歴 1

  1. 名古屋大学   医学部   医学科

    - 1987年

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    国名: 日本国

所属学協会 7

  1. 日本医学放射線学会   理事

    2016年4月 - 2022年3月

  2. 日本磁気共鳴医学会   代議員

    2019年4月 - 2021年9月

  3. 日本医学放射線学会   代議員

    2010年4月 - 2022年3月

  4. Radiological Society of North America

  5. International Society of Magnetic Resonance in Medicine

  6. 日独放射線医学交流計画   代表幹事 (日本側)

    2018年9月 - 現在

  7. International Society of Magnetic Resonance in Medicine

▼全件表示

委員歴 1

  1. 安全保障委員  

受賞 22

  1. 2020 ISMRM (International Society for Magnetic Resonance in Medicine) Fellows of the Society (senior fellow)

    2020年8月   ISMRM virtual conference  

    Shinji Naganawa

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    受賞区分:国際学会・会議・シンポジウム等の賞  受賞国:日本国

  2. 2020 ISMRM (International Society for Magnetic Resonance in Medicine) Fellows of the Society (senior fellow)

    2020年8月   ISMRM virtual conference  

    Shinji Naganawa

     詳細を見る

    受賞区分:国際学会・会議・シンポジウム等の賞  受賞国:日本国

  3. 2020 ISMRM (International Society for Magnetic Resonance in Medicine) Fellows of the Society (senior fellow)

    2020年8月   ISMRM virtual conference  

    Shinji Naganawa

     詳細を見る

    受賞区分:国際学会・会議・シンポジウム等の賞  受賞国:日本国

  4. MAGNA CUM LAUDE Radiographer Poster Award

    2019年2月   European Conference of Radiology (ECR) 2019   Assessment of the severity in chronic thromboembolic pulmonary hypertension by quantitative parameters of dual-energy CT.

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    受賞区分:国際学会・会議・シンポジウム等の賞  受賞国:オーストリア共和国

  5. 一般社団法人日本めまい平衡医学会 60周年記念理事長表彰

    2018年11月   一般社団法人日本めまい平衡医学会  

    長縄慎二

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    受賞区分:国内学会・会議・シンポジウム等の賞  受賞国:日本国

  6. 2018年度日本磁気共鳴医学会優秀論文賞

    2018年9月   一般社団法人 日本磁気共鳴医学会  

    長縄慎二

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    受賞区分:国内学会・会議・シンポジウム等の賞  受賞国:日本国

  7. 平成28年度Japanese Journal of Radiology、Most often cited papers

    2017年4月   公益社団法人日本医学放射線学会  

    長縄慎二

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    受賞区分:国内学会・会議・シンポジウム等の賞  受賞国:日本国

  8. JJR Excellent Reviewer Award in 2015

    2016年4月  

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    受賞国:日本国

  9. Certificate of Merit

    2015年12月   101st Scientific Assembly and Annual Meeting of Radiological Society of North America(RSNA)  

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    受賞国:アメリカ合衆国

  10. BEST ORAL PRESENTATION IN AOCMP 2015

    2015年11月   15th Asia-Oceania Congress of Medical Physics  

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    受賞国:日本国

  11. 第43回日本磁気共鳴医学会 最多査読賞

    2015年9月   日本磁気共鳴医学会  

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    受賞国:日本国

  12. 第74回日本医学放射線学会総会CyPos賞

    2015年4月   第74回日本医学放射線学会総会  

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    受賞国:日本国

    久保田誠司、伊藤善之、副松由加、野本由人、村尾豪之、山川耕二、 石原俊一、平澤直樹、浅野晶子、長縄慎二     I期声門癌に対する1回2.25Gyを用いた寡分割照射例の多施設調査

  13. 第10回「画像診断」Best Invited Editor賞

    2014年4月   秀潤社  

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    受賞国:日本国

  14. 13th Asia-Oceania Congress of Medical Physics & 11th South-East Asian Congress of Medical Physics,Best Poster Award(Radiotherapy)

    2013年12月   13th Asia-Oceania Congress of Medical Physics & 11th South-East Asian Congress of Medical Physics  

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    受賞国:シンガポール共和国

  15. 2012 Robert and Elma Kemp Harper Prize

    2013年10月   Clinical Radiology  

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    受賞国:グレートブリテン・北アイルランド連合王国(英国)

  16. 教育展示優秀賞(日本医学放射線学会)

    2013年4月   日本医学放射線学会  

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    受賞国:日本国

    Objective diagnosis of Meniere´s disease by clinically applicable method:How to do it メニエール病のMRIによる簡便な客観診断法;How to do it

  17. certificate of merit

    2008年11月   RSNA2008  

  18. Gold medal (日本医学放射線学会)

    2008年4月   日本医学放射線学会  

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    受賞国:日本国

  19. Gold medal(日本医学放射線学会)

    2007年4月   日本医学放射線学会  

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    受賞国:日本国

    鼓室内Gd注入によるメニエール病患者における内リンパ水腫をMRIを用いてはじめて画像化した。

  20. certificate of merit(ヨーロッパ放射線学会)

    2004年3月   European Congress of Radiology  

  21. Cum Laude(北米放射線学会)

    1996年  

  22. certificate of appreciation(ヨ-ロッパ放射線学会)

    1995年  

▼全件表示

 

論文 592

  1. Features from MRI texture analysis associated with survival outcomes in triple-negative breast cancer patients. 査読有り

    Kamiya S, Satake H, Hayashi Y, Ishigaki S, Ito R, Kawamura M, Taoka T, Iwano S, Naganawa S

    Breast cancer (Tokyo, Japan)     2021年9月

     詳細を見る

    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1007/s12282-021-01294-1

    PubMed

  2. Changes in Vessel Wall Enhancement Related to the Recent Neurological Symptoms in Patients with Moyamoya Disease.

    Muraoka S, Taoka T, Kawai H, Okamoto S, Uda K, Naganawa S, Araki Y

    Neurologia medico-chirurgica   61 巻 ( 9 ) 頁: 515 - 520   2021年9月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.2176/nmc.oa.2021-0058

    PubMed

  3. MR Imaging of Endolymphatic Hydrops: Utility of iHYDROPS-Mi2 Combined with Deep Learning Reconstruction Denoising.

    Naganawa S, Nakamichi R, Ichikawa K, Kawamura M, Kawai H, Yoshida T, Sone M

    Magnetic resonance in medical sciences : MRMS : an official journal of Japan Society of Magnetic Resonance in Medicine   20 巻 ( 3 ) 頁: 272 - 279   2021年9月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.2463/mrms.mp.2020-0082

    PubMed

  4. Portal Vein Stenosis Following Liver Transplantation Hemodynamically Assessed with 4D-flow MRI before and after Portal Vein Stenting. 査読有り

    Hyodo R, Takehara Y, Mizuno T, Ichikawa K, Ogura Y, Naganawa S

    Magnetic resonance in medical sciences : MRMS : an official journal of Japan Society of Magnetic Resonance in Medicine   20 巻 ( 3 ) 頁: 231 - 235   2021年9月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.2463/mrms.ici.2020-0057

    PubMed

  5. Labyrinthitis With Endolymphatic Hydrops Revealed by Imaging Analysis in a Case With Severe Postoperative Complications Following Stapes Surgery. 査読有り

    Kobayashi M, Yoshida T, Uchida Y, Sugimoto S, Naganawa S, Sone M

    Otology & neurotology : official publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology     2021年8月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1097/MAO.0000000000003328

    PubMed

  6. Reproducibility of diffusion tensor image analysis along the perivascular space (DTI-ALPS) for evaluating interstitial fluid diffusivity and glymphatic function: CHanges in Alps index on Multiple conditiON acquIsition eXperiment (CHAMONIX) study. 査読有り

    Taoka T, Ito R, Nakamichi R, Kamagata K, Sakai M, Kawai H, Nakane T, Abe T, Ichikawa K, Kikuta J, Aoki S, Naganawa S

    Japanese journal of radiology     2021年8月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1007/s11604-021-01187-5

    PubMed

  7. Evaluation of the blood-perilymph barrier in ears with endolymphatic hydrops. 査読有り

    Yoshida T, Kobayashi M, Sugimoto S, Teranishi M, Naganawa S, Sone M

    Acta oto-laryngologica   141 巻 ( 8 ) 頁: 736 - 741   2021年8月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1080/00016489.2021.1957500

    PubMed

  8. Dilatation of the Endolymphatic Space in the Ampulla of the Posterior Semicircular Canal: A New Clinical Finding Detected on Magnetic Resonance Imaging. 査読有り

    Morioka M, Sugimoto S, Yoshida T, Teranishi M, Kobayashi M, Nishio N, Katayama N, Naganawa S, Sone M

    Otology & neurotology : official publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology   42 巻 ( 6 ) 頁: e643 - e647   2021年7月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1097/MAO.0000000000003073

    PubMed

  9. Incidental findings on computed tomography for preoperative assessment before transcatheter aortic valve implantation in Japanese patients. 査読有り

    Tobe A, Tanaka A, Tokuda Y, Miki Y, Furusawa K, Akita S, Fujii T, Tsutsumi Y, Ishii H, Iwano S, Naganawa S, Usui A, Murohara T

    Heart and vessels     2021年6月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1007/s00380-021-01875-2

    PubMed

  10. Distribution of Gadolinium-based Contrast Agent after Leaking into the Cerebrospinal Fluid: Comparison between the Cerebral Cisterns and the Lateral Ventricles. 査読有り

    Ohashi T, Naganawa S, Iwata S, Kuno K

    Magnetic resonance in medical sciences : MRMS : an official journal of Japan Society of Magnetic Resonance in Medicine   20 巻 ( 2 ) 頁: 175 - 181   2021年6月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.2463/mrms.mp.2020-0016

    PubMed

  11. Age estimates from brain magnetic resonance images of children younger than two years of age using deep learning.

    Kawaguchi M, Kidokoro H, Ito R, Shiraki A, Suzuki T, Maki Y, Tanaka M, Sakaguchi Y, Yamamoto H, Takahashi Y, Naganawa S, Natsume J

    Magnetic resonance imaging   79 巻   頁: 38 - 44   2021年6月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1016/j.mri.2021.03.004

    PubMed

  12. Dosimetric impacts of beam-hardening filter removal for the CyberKnife system. 査読有り

    Kamomae T, Matsunaga T, Suzuki J, Okudaira K, Kawabata F, Kato Y, Oguchi H, Shimizu M, Sasaki M, Takase Y, Kawamura M, Ohtakara K, Itoh Y, Naganawa S

    Physica medica : PM : an international journal devoted to the applications of physics to medicine and biology : official journal of the Italian Association of Biomedical Physics (AIFB)   86 巻   頁: 98 - 105   2021年6月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1016/j.ejmp.2021.05.011

    PubMed

  13. Magnetic resonance cisternography imaging findings related to the leakage of Gadolinium into the subarachnoid space.

    Nakamichi R, Taoka T, Kawai H, Yoshida T, Sone M, Naganawa S

    Japanese journal of radiology     2021年5月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1007/s11604-021-01137-1

    PubMed

  14. Age-related changes in the distribution of intravenously administered gadolinium-based contrast agents leaked into the cerebrospinal fluid in patients with suspected endolymphatic hydrops.

    Ohashi T, Naganawa S, Iwata S, Kuno K

    Japanese journal of radiology   39 巻 ( 5 ) 頁: 433 - 441   2021年5月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1007/s11604-020-01079-0

    Web of Science

    PubMed

  15. Early glottic cancer treatment with concurrent chemoradiotherapy with once-daily orally administered S-1.

    Takase Y, Itoh Y, Ohtakara K, Kawamura M, Ito J, Oie Y, Ono T, Sasaki Y, Nishida A, Naganawa S

    Nagoya journal of medical science   83 巻 ( 2 ) 頁: 251 - 258   2021年5月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.18999/nagjms.83.2.251

    PubMed

  16. Cross-sectional Area of the Superior Petrosal Sinus is Reduced in Patients with Significant Endolymphatic Hydrops. 査読有り

    Naganawa S, Ito R, Kawai H, Kawamura M, Taoka T, Yoshida T, Sone M

    Magnetic resonance in medical sciences : MRMS : an official journal of Japan Society of Magnetic Resonance in Medicine     2021年4月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.2463/mrms.mp.2021-0010

    PubMed

  17. MR Imaging of Endolymphatic Hydrops in Five Minutes.

    Naganawa S, Ito R, Kawai H, Kawamura M, Taoka T, Sakai M, Ichikawa K, Yoshida T, Sone M

    Magnetic resonance in medical sciences : MRMS : an official journal of Japan Society of Magnetic Resonance in Medicine     2021年4月

     詳細を見る

    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.2463/mrms.ici.2021-0022

    PubMed

  18. Diffusion analysis of fluid dynamics with incremental strength of motion proving gradient (DANDYISM) to evaluate cerebrospinal fluid dynamics. 査読有り

    Taoka T, Kawai H, Nakane T, Abe T, Nakamichi R, Ito R, Sato Y, Sakai M, Naganawa S

    Japanese journal of radiology   39 巻 ( 4 ) 頁: 315 - 323   2021年4月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1007/s11604-020-01075-4

    Web of Science

    PubMed

  19. Relationship between Time-dependent Signal Changes in Parasagittal Perivenous Cysts and Leakage of Gadolinium-based Contrast Agents into the Subarachnoid Space. 査読有り

    Naganawa S, Ito R, Nakamichi R, Kawamura M, Taoka T, Yoshida T, Sone M

    Magnetic resonance in medical sciences : MRMS : an official journal of Japan Society of Magnetic Resonance in Medicine     2021年1月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.2463/mrms.mp.2020-0138

    PubMed

  20. Iodine-related attenuation in contrast-enhanced dual-energy computed tomography in small-sized solid-type lung cancers is associated with the postoperative prognosis. 査読有り

    Iwano S, Kamiya S, Ito R, Nakamura S, Naganawa S

    Cancer imaging : the official publication of the International Cancer Imaging Society   21 巻 ( 1 ) 頁: 7   2021年1月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1186/s40644-020-00368-1

    Web of Science

    PubMed

  21. Evaluating the Effect of Arterial Pulsation on Cerebrospinal Fluid Motion in the Sylvian Fissure of Patients with Middle Cerebral Artery Occlusion Using Low b-value Diffusion-weighted Imaging. 査読有り

    Taoka T, Kawai H, Nakane T, Abe T, Nakamichi R, Ito R, Sasaki Y, Nishida A, Naganawa S

    Magnetic resonance in medical sciences : MRMS : an official journal of Japan Society of Magnetic Resonance in Medicine     2021年1月

     詳細を見る

    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.2463/mrms.mp.2020-0121

    PubMed

  22. Imaging for central nervous system (CNS) interstitial fluidopathy: disorders with impaired interstitial fluid dynamics. 査読有り

    Taoka T, Naganawa S

    Japanese journal of radiology   39 巻 ( 1 ) 頁: 1 - 14   2021年1月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1007/s11604-020-01017-0

    Web of Science

    PubMed

  23. Lesion-specific prognosis by magnetic resonance imaging in sudden sensorineural hearing loss. 査読有り

    Yang CJ, Yoshida T, Sugimoto S, Teranishi M, Kobayashi M, Nishio N, Naganawa S, Sone M

    Acta oto-laryngologica   141 巻 ( 1 ) 頁: 5 - 9   2021年1月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1080/00016489.2020.1827159

    Web of Science

    PubMed

  24. Novel Magnetic Resonance Imaging-Based Method for Accurate Diagnosis of Meniere's Disease.

    Ito T, Inoue T, Inui H, Miyasaka T, Yamanaka T, Kichikawa K, Takeda N, Kasahara M, Kitahara T, Naganawa S

    Frontiers in surgery   8 巻   頁: 671624   2021年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.3389/fsurg.2021.671624

    PubMed

  25. Three Dimensional Ultra-short Echo Time MRI Can Depict Cholesterol Components of Gallstones Bright. 査読有り

    Takahashi M, Takehara Y, Fujisaki K, Okuaki T, Fukuma Y, Tooyama N, Ichijo K, Amano T, Goshima S, Naganawa S

    Magnetic resonance in medical sciences : MRMS : an official journal of Japan Society of Magnetic Resonance in Medicine     2020年12月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.2463/mrms.mp.2020-0009

    PubMed

  26. The Glymphatic System: A Review of the Challenges in Visualizing its Structure and Function with MR Imaging. 査読有り

    Naganawa S, Taoka T

    Magnetic resonance in medical sciences : MRMS : an official journal of Japan Society of Magnetic Resonance in Medicine     2020年11月

     詳細を見る

    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.2463/mrms.rev.2020-0122

    PubMed

  27. Identifying the brain's connector hubs at the voxel level using functional connectivity overlap ratio. 査読有り

    Bagarinao E, Watanabe H, Maesawa S, Mori D, Hara K, Kawabata K, Ohdake R, Masuda M, Ogura A, Kato T, Koyama S, Katsuno M, Wakabayashi T, Kuzuya M, Hoshiyama M, Isoda H, Naganawa S, Ozaki N, Sobue G

    NeuroImage   222 巻   頁: 117241   2020年11月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1016/j.neuroimage.2020.117241

    Web of Science

    PubMed

  28. Neurofluid Dynamics and the Glymphatic System: A Neuroimaging Perspective

    Taoka Toshiaki, Naganawa Shinji

    KOREAN JOURNAL OF RADIOLOGY   21 巻 ( 11 ) 頁: 1199 - 1209   2020年11月

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.3348/kjr.2020.0042

    Web of Science

    PubMed

  29. Effects of Head Motion on the Evaluation of Age-related Brain Network Changes Using Resting State Functional MRI. 査読有り

    Kato S, Bagarinao E, Isoda H, Koyama S, Watanabe H, Maesawa S, Mori D, Hara K, Katsuno M, Hoshiyama M, Naganawa S, Ozaki N, Sobue G

    Magnetic resonance in medical sciences : MRMS : an official journal of Japan Society of Magnetic Resonance in Medicine     2020年10月

     詳細を見る

    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.2463/mrms.mp.2020-0081

    PubMed

  30. Change of White Matter Integrity in Children With Hematopoietic Stem Cell Transplantation.

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X., Obeidat Monther, Oh Deog-Hwan, Owais Mohammed, Pace-Asciak Pia, Panwar Ajay, Park Caroline, Patterson Chris, Penagos-Tabaree Felipe, Pianosi Paolo T., Pinzi Valentina, Pridans Clare, Psaroulaki Anna, Pujala Ravi Kumar, Pulido-Arjona Leonardo, Qi Peng-Fei, Rahman Proton, Rai Nayanjot K., Rassaf Tienush, Refardt Julie, Ricciardi Walter, Riess Olaf, Rovas Alexandros, Sacks Frank M., Saleh Sherif, Sampson Christopher, Schmutz Axel, Sepanski Robert, Sharma Neeraj, Singh Manisha, Spearman Paul, Subramaniapillai Mehala, Swali Ritu, Tan Cher M., Tellechea Juan I., Thomas Lisa-Marie, Tong Xin, Veys Ralf, Vitriol Veronica, Wang Horng-Dar, Wang Jinhui, Wang Jiucun, Waugh Jason, Webb S. A., Williams Brendan A., Workman Alan D., Xiang Tingxiu, Xie Li-Xin, Xu Jun, Xu Taosheng, Yang Chongjun, Yoon Jihoon G., Yuan Christina M., Zaritsky Arno, Zhang Yao, Zhao Haochen, Zuckerman Hannah, Lyu Ran, Pullan Wayne, Zhou Yaoqi

    DATABASE-THE JOURNAL OF BIOLOGICAL DATABASES AND CURATION     2019年10月

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1093/database/baz085

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  34. Does I-131 uptake in the subhyoid portion or lymph nodes affect the outcome of low-dose ablation therapy for patients with differentiated thyroid cancer? 査読有り

    Ito S., Iwano S., Kato K., Naganawa S.

    EUROPEAN JOURNAL OF NUCLEAR MEDICINE AND MOLECULAR IMAGING   46 巻 ( SUPPL 1 ) 頁: S662 - S663   2019年10月

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

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  35. High-dose-rate intracavitary brachytherapy for recurrent cervical cancer in the vaginal stump after hysterectomy. 査読有り

    Kozai Y, Itoh Y, Kawamura M, Nakahara R, Ito J, Okada T, Kikkawa F, Ikeda M, Naganawa S

    Nagoya journal of medical science   81 巻 ( 3 ) 頁: 351 - 358   2019年8月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.18999/nagjms.81.3.351

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  36. Development of Three-Dimensional Printed Compensator for Improvement of Dose Distribution in Boron Neutron Capture Therapy: A Preliminary Study 査読有り

    Kamomae T., Sakurai Y., Oita M., Takata T., Niimi T., Matsumura T., Saito T., Komada T., Kato K., Itoh Y., Naganawa S.

    MEDICAL PHYSICS   46 巻 ( 6 ) 頁: E411 - E411   2019年6月

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  37. Evaluation of Ra-223 therapy on bone metastases of prostate cancer by F-18-fluoride PET/CT, F-18-FDG PET/CT and bone scintigraphy/SPECT 査読有り

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    JOURNAL OF NUCLEAR MEDICINE   60 巻   頁: .   2019年5月

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  38. Influence of implanted metals in new CT reconstruction algorithm for radiotherapy treatment planning 査読有り

    Kamomae T., Nakaya T., Kawabata F., Okudaira K., Kumagai M., Oguchi H., Itoh Y., Naganawa S.

    RADIOTHERAPY AND ONCOLOGY   133 巻   頁: S1132 - S1132   2019年4月

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  39. Impact of the Glymphatic System on the Kinetic and Distribution of Gadodiamide in the Rat Brain: Observations by Dynamic MRI and Effect of Circadian Rhythm on Tissue Gadolinium Concentrations. 査読有り 国際誌

    Taoka T, Jost G, Frenzel T, Naganawa S, Pietsch H

    Investigative radiology   53 巻 ( 9 ) 頁: 529 - 534   2018年9月

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    DOI: 10.1097/RLI.0000000000000473

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  40. Imaging of the endolymphatic space in patients with Ménière's disease. 査読有り 国際誌

    Yoshida T, Sugimoto S, Teranishi M, Otake H, Yamazaki M, Naganawa S, Nakashima T, Sone M

    Auris, nasus, larynx   45 巻 ( 1 ) 頁: 33 - 38   2018年2月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1016/j.anl.2017.02.002

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  41. FDG PET/CT Overcomes Discordance Between Clinical and Pathologic TNM Classification of Small-size Primary Lung Cancer: Influence on Postoperative Prognosis. 査読有り 国際誌

    Umakoshi H, Iwano S, Yokoi K, Ito S, Ito R, Kawaguchi K, Fukui T, Naganawa S

    Clinical lung cancer   19 巻 ( 1 ) 頁: e37 - e45   2018年1月

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    DOI: 10.1016/j.cllc.2017.05.021

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  42. Three-dimensional printer-generated patient-specific phantom for artificial in vivo dosimetry in radiotherapy quality assurance 査読有り 国際誌

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    PHYSICA MEDICA-EUROPEAN JOURNAL OF MEDICAL PHYSICS   44 巻   頁: 205 - 211   2017年12月

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1016/j.ejmp.2017.10.005

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  43. Clinical outcomes of I-125 brachytherapy with and without external-beam radiation therapy for localized prostate cancer: results from 300 patients at a single institution in Japan 国際誌

    Maki Sayo, Itoh Yoshiyuki, Kubota Seiji, Okada Tohru, Nakahara Rie, Ito Junji, Kawamura Mariko, Naganawa Shinji, Yoshino Yasushi, Fujita Takashi, Kato Masashi, Gotoh Momokazu, Ikeda Mitsuru

    JOURNAL OF RADIATION RESEARCH   58 巻 ( 6 ) 頁: 870 - 880   2017年11月

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    DOI: 10.1093/jrr/rrx051

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  44. Improved HYDROPS: Imaging of Endolymphatic Hydrops after Intravenous Administration of Gadolinium. 査読有り

    Naganawa S, Kawai H, Taoka T, Sone M

    Magnetic resonance in medical sciences : MRMS : an official journal of Japan Society of Magnetic Resonance in Medicine   16 巻 ( 4 ) 頁: 357 - 361   2017年10月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.2463/mrms.tn.2016-0126

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  45. Penetration and distribution of gadolinium-based contrast agents into the cerebrospinal fluid in healthy rats: a potential pathway of entry into the brain tissue. 査読有り 国際誌

    Jost G, Frenzel T, Lohrke J, Lenhard DC, Naganawa S, Pietsch H

    European radiology   27 巻 ( 7 ) 頁: 2877 - 2885   2017年7月

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    DOI: 10.1007/s00330-016-4654-2

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  46. Relationship between Parasagittal Perivenous Cysts and Leakage of Gadolinium-based Contrast Agents into the Subarachnoid Space around the Cortical Veins after Intravenous Administration. 査読有り

    Naganawa S, Ito R, Nakamichi R, Kawamura M, Kawai H, Taoka T, Yoshida T, Sone M

    Magnetic resonance in medical sciences : MRMS : an official journal of Japan Society of Magnetic Resonance in Medicine   20 巻 ( 3 ) 頁: 245 - 252   2021年9月

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    DOI: 10.2463/mrms.mp.2020-0062

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  47. Variation in thyroid volumes due to differences in the measured length or area of the cross-sectional plane: A validation study of the ellipsoid approximation method using CT images.

    Fujita N, Kato K, Abe S, Naganawa S

    Journal of applied clinical medical physics   22 巻 ( 4 ) 頁: 15 - 25   2021年4月

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    DOI: 10.1002/acm2.13125

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  48. Intracranial Distribution of Intravenously Administered Gadolinium-based Contrast Agent over a Period of 24 Hours: Evaluation with 3D-real IR Imaging and MR Fingerprinting. 査読有り

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    Magnetic resonance in medical sciences : MRMS : an official journal of Japan Society of Magnetic Resonance in Medicine   20 巻 ( 1 ) 頁: 91 - 98   2021年3月

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    DOI: 10.2463/mrms.mp.2020-0030

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  49. Time-resolved 3D cine phase-contrast magnetic resonance imaging (4D-flow MRI) can quantitatively assess portosystemic shunt severity and confirm normalization of portal flow after embolization of large portosystemic shunts.

    Hyodo R, Takehara Y, Mizuno T, Ichikawa K, Ishizu Y, Sugiyama M, Naganawa S

    Hepatology research : the official journal of the Japan Society of Hepatology   51 巻 ( 3 ) 頁: 343 - 349   2021年3月

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    DOI: 10.1111/hepr.13616

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  50. Imaging of endolymphatic hydrops on a vertigo attack of Meniere's disease.

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    Nagoya journal of medical science   83 巻 ( 1 ) 頁: 209 - 216   2021年2月

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  51. Optimal Plane Selection for Measuring Post-prandial Blood Flow Increase within the Superior Mesenteric Artery: Analysis Using 4D Flow and Computational Fluid Dynamics. 査読有り

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    Magnetic resonance in medical sciences : MRMS : an official journal of Japan Society of Magnetic Resonance in Medicine   19 巻 ( 4 ) 頁: 366 - 374   2020年12月

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    DOI: 10.2463/mrms.mp.2019-0089

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  52. Confirmation of Age-dependence in the Leakage of Contrast Medium around the Cortical Veins into Cerebrospinal Fluid after Intravenous Administration of Gadolinium-based Contrast Agent. 査読有り

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  53. Assessing the Risk of Intracranial Aneurysm Rupture Using Morphological and Hemodynamic Biomarkers Evaluated from Magnetic Resonance Fluid Dynamics and Computational Fluid Dynamics. 査読有り

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  54. A case of stent-graft implantation for postpancreaticoduodenectomy hemorrhage in a patient with a reconstructed gastric tube.

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    Radiology case reports   15 巻 ( 12 ) 頁: 2710 - 2713   2020年12月

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    DOI: 10.1016/j.radcr.2020.10.021

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  55. Evaluation of magnetic resonance angiography as a possible alternative to rotational angiography or computed tomography angiography for assessing cerebrovascular computational fluid dynamics.

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    Physical and engineering sciences in medicine   43 巻 ( 4 ) 頁: 1327 - 1337   2020年12月

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  56. Significance of high signal intensity in the endolymphatic duct on magnetic resonance imaging in ears with otological disorders. 査読有り 国際誌

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  57. Changes in white matter fiber density and morphology across the adult lifespan: A cross-sectional fixel-based analysis. 国際誌

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  58. Comprehensive Evaluation of B<sub>1</sub><sup>+</sup>-corrected FISP-based Magnetic Resonance Fingerprinting: Accuracy, Repeatability and Reproducibility of T<sub>1</sub> and T<sub>2</sub> Relaxation Times for ISMRM/NIST System Phantom and Volunteers. 査読有り

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    Magnetic resonance in medical sciences : MRMS : an official journal of Japan Society of Magnetic Resonance in Medicine   19 巻 ( 3 ) 頁: 168 - 175   2020年8月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.2463/mrms.mp.2019-0016

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  59. Abnormal Flow Dynamics Result in Low Wall Shear Stress and High Oscillatory Shear Index in Abdominal Aortic Dilatation: Initial in vivo Assessment with 4D-flow MRI. 査読有り

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    Magnetic resonance in medical sciences : MRMS : an official journal of Japan Society of Magnetic Resonance in Medicine   19 巻 ( 3 ) 頁: 235 - 246   2020年8月

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    DOI: 10.2463/mrms.mp.2019-0188

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  60. Efficacy and safety of accelerated fractionated radiotherapy without elective nodal irradiation for T3N0 glottic cancer without vocal cord fixation. 査読有り 国際誌

    Okumura M, Motegi A, Zenda S, Nakamura N, Hojo H, Nakamura M, Hirano Y, Kageyama SI, Arahira S, Parshuram RV, Kuno H, Hayashi R, Tahara M, Itoh Y, Naganawa S, Akimoto T

    Head & neck   42 巻 ( 8 ) 頁: 1775 - 1782   2020年8月

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    DOI: 10.1002/hed.26092

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  61. Effects of endolymphatic hydrops on acoustic energy absorbance. 査読有り 国際誌

    Kobayashi M, Yoshida T, Sugimoto S, Shimono M, Teranishi M, Naganawa S, Sone M

    Acta oto-laryngologica   140 巻 ( 8 ) 頁: 626 - 631   2020年8月

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    DOI: 10.1080/00016489.2020.1754460

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  62. Evaluation of segment 4 portal vein embolization added to right portal vein for right hepatic trisectionectomy: A retrospective propensity score-matched study. 査読有り

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    Journal of hepato-biliary-pancreatic sciences   27 巻 ( 6 ) 頁: 299 - 306   2020年6月

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    DOI: 10.1002/jhbp.723

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  63. Quantification of Endolymphatic Space Volume after Intravenous Administration of a Single Dose of Gadolinium-based Contrast Agent: 3D-real Inversion Recovery versus HYDROPS-Mi2. 査読有り

    Ohashi T, Naganawa S, Takeuchi A, Katagiri T, Kuno K

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    DOI: 10.2463/mrms.mp.2019-0013

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    PubMed

  64. Detection of IV-gadolinium Leakage from the Cortical Veins into the CSF Using MR Fingerprinting. 査読有り

    Naganawa S, Nakane T, Kawai H, Taoka T, Kawaguchi H, Maruyama K, Murata K, Körzdörfer G, Pfeuffer J, Nittka M, Sone M

    Magnetic resonance in medical sciences : MRMS : an official journal of Japan Society of Magnetic Resonance in Medicine   19 巻 ( 2 ) 頁: 141 - 146   2020年5月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.2463/mrms.mp.2019-0048

    PubMed

  65. Unexpected radioactive iodine accumulation on whole-body scan after I-131 ablation therapy for differentiated thyroid cancer.

    Iwano S, Ito S, Kamiya S, Ito R, Kato K, Naganawa S

    Nagoya journal of medical science   82 巻 ( 2 ) 頁: 205 - 215   2020年5月

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    掲載種別:研究論文(学術雑誌)  

    DOI: 10.18999/nagjms.82.2.205

    Web of Science

    PubMed

  66. Pharmacologic and non-pharmacologic interventions to prevent hypersensitivity reactions of non-ionic iodinated contrast media: a systematic review protocol.

    Umakoshi H, Nihashi T, Shimamoto H, Yamada T, Ishiguchi H, Takada A, Hirasawa N, Ishihara S, Takehara Y, Naganawa S, Davenport M, Terasawa T

    BMJ open   10 巻 ( 3 ) 頁: e033023   2020年3月

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    掲載種別:研究論文(学術雑誌)  

    DOI: 10.1136/bmjopen-2019-033023

    PubMed

  67. Evaluation of newly implemented dose calculation algorithms for multileaf collimator-based CyberKnife tumor-tracking radiotherapy. 査読有り 国際誌

    Kawata K, Kamomae T, Oguchi H, Kawabata F, Okudaira K, Kawamura M, Ohtakara K, Itoh Y, Naganawa S

    Medical physics   47 巻 ( 3 ) 頁: 1391 - 1403   2020年3月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1002/mp.14013

    Web of Science

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  68. The Space between the Pial Sheath and the Cortical Venous Wall May Connect to the Meningeal Lymphatics. 査読有り

    Naganawa S, Ito R, Taoka T, Yoshida T, Sone M

    Magnetic resonance in medical sciences : MRMS : an official journal of Japan Society of Magnetic Resonance in Medicine   19 巻 ( 1 ) 頁: 1 - 4   2020年2月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.2463/mrms.bc.2019-0099

    Web of Science

    PubMed

  69. Kinetic volume analysis on dynamic contrast-enhanced MRI of triple-negative breast cancer: associations with survival outcomes. 査読有り 国際誌

    Hayashi Y, Satake H, Ishigaki S, Ito R, Kawamura M, Kawai H, Iwano S, Naganawa S

    The British journal of radiology   93 巻 ( 1106 ) 頁: 20190712 - 20190712   2020年2月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1259/bjr.20190712

    PubMed

  70. White matter microstructural changes in tuberous sclerosis: Evaluation by neurite orientation dispersion and density imaging (NODDI) and diffusion tensor images 査読有り 国際誌

    Taoka Toshiaki, Aida Noriko, Fujii Yuta, Ichikawa Kazushi, Kawai Hisashi, Nakane Toshiki, Ito Rintaro, Naganawa Shinji

    SCIENTIFIC REPORTS   10 巻 ( 1 ) 頁: 436 - 436   2020年1月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1038/s41598-019-57306-w

    Web of Science

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  71. Glymphatic imaging using MRI 査読有り 国際誌

    Taoka Toshiaki, Naganawa Shinji

    JOURNAL OF MAGNETIC RESONANCE IMAGING   51 巻 ( 1 ) 頁: 11 - 24   2020年1月

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1002/jmri.26892

    Web of Science

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  72. Celebrating the beginning of international journal collaboration 査読有り

    Naganawa Shinji, Korogi Yukunori

    JAPANESE JOURNAL OF RADIOLOGY   38 巻 ( 1 ) 頁: 1 - 2   2020年1月

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1007/s11604-019-00904-5

    Web of Science

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  73. Aging Impacts the Overall Connectivity Strength of Regions Critical for Information Transfer Among Brain Networks.

    Bagarinao E, Watanabe H, Maesawa S, Mori D, Hara K, Kawabata K, Yoneyama N, Ohdake R, Imai K, Masuda M, Yokoi T, Ogura A, Taoka T, Koyama S, Tanabe HC, Katsuno M, Wakabayashi T, Kuzuya M, Hoshiyama M, Isoda H, Naganawa S, Ozaki N, Sobue G

    Frontiers in aging neuroscience   12 巻   頁: 592469   2020年

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    掲載種別:研究論文(学術雑誌)  

    DOI: 10.3389/fnagi.2020.592469

    Web of Science

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  74. Assessment of Severity in Chronic Thromboembolic Pulmonary Hypertension by Quantitative Parameters of Dual-Energy Computed Tomography

    Tsutsumi Yoshinori, Iwano Shingo, Okumura Naoki, Adachi Shiro, Abe Shinji, Kondo Takahisa, Kato Katsuhiko, Naganawa Shinji

    JOURNAL OF COMPUTER ASSISTED TOMOGRAPHY   44 巻 ( 4 ) 頁: 578 - 585   2020年

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    掲載種別:研究論文(学術雑誌)  

    DOI: 10.1097/RCT.0000000000001052

    Web of Science

  75. A phase I/II trial of intraoperative breast radiotherapy in an Asian population: 10-year results

    Kawamura M., Yoshiyuki I., Kamomae T., Ito J., Oie Y., Ohtakara K., Naganawa S.

    RADIOTHERAPY AND ONCOLOGY   141 巻   頁: S61 - S61   2019年12月

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    掲載種別:研究論文(学術雑誌)  

    Web of Science

  76. Balloon-Occluded Retrograde Transvenous Obliteration for Fundal Gastric Variceal Bleeding in a Small Child 査読有り 国際誌

    Komada Tomohiro, Suzuki Kojiro, Oshima Kazuo, Matsushima Masaya, Nagasaka Ken, Naganawa Shinji

    JOURNAL OF VASCULAR AND INTERVENTIONAL RADIOLOGY   30 巻 ( 10 ) 頁: 1624 - 1625   2019年10月

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1016/j.jvir.2019.06.022

    Web of Science

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  77. Should Small Cell Carcinoma of the Cervix be Treated As Localized Small Cell Cancer or Advanced Cervical Cancer: A Retrospective Multi-Institutional Cohort Study

    Kawamura M., Koide Y., Murai T., Ishihara S., Takase Y., Murao T., Okazaki D., Yamaguchi T., Uchiyama K., Itoh Y., Kodaira T., Shibamoto Y., Mizuno M., Kikkawa F., Naganawa S.

    INTERNATIONAL JOURNAL OF RADIATION ONCOLOGY BIOLOGY PHYSICS   105 巻 ( 1 ) 頁: E324-E325   2019年9月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    Web of Science

  78. Clinical Results of T1 Glottic Cancer Treated with Radiotherapy Using 2.25 Gy per Fractions: A Multicenter Survey in Clinical Practice

    Oie Y., Itoh Y., Kawamura M., Takase Y., Murao T., Ishihara S., Nomoto Y., Hirasawa N., Asano A., Yamakawa K., Ito J., Naganawa S.

    INTERNATIONAL JOURNAL OF RADIATION ONCOLOGY BIOLOGY PHYSICS   105 巻 ( 1 ) 頁: E366-E367   2019年9月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    Web of Science

  79. Reorganization of brain networks and its association with general cognitive performance over the adult lifespan 査読有り 国際誌

    Bagarinao Epifanio, Watanabe Hirohisa, Maesawa Satoshi, Mori Daisuke, Hara Kazuhiro, Kawabata Kazuya, Yoneyama Noritaka, Ohdake Reiko, Imai Kazunori, Masuda Michihito, Yokoi Takamasa, Ogura Aya, Taoka Toshiaki, Koyama Shuji, Tanabe Hiroki C., Katsuno Masahisa, Wakabayashi Toshihiko, Kuzuya Masafumi, Ozaki Norio, Hoshiyama Minoru, Isoda Haruo, Naganawa Shinji, Sobue Gen

    SCIENTIFIC REPORTS   9 巻 ( 1 ) 頁: 11352 - 11352   2019年8月

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1038/s41598-019-47922-x

    Web of Science

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  80. Whole abdominopelvic intensity-modulated radiation therapy for peritoneal disseminated rhabdomyosarcoma with three-year follow-up: a case report 査読有り 国際誌

    Kawamura Mariko, Okudaira Kuniyasu, Itoh Yoshiyuki, Kamomae Takeshi, Nishikawa Eri, Muramatsu Hideki, Takahashi Yoshiyuki, Yokota Kazuki, Naganawa Shinji

    RADIATION ONCOLOGY   14 巻 ( 1 ) 頁: 127 - 127   2019年7月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1186/s13014-019-1333-x

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  81. Postoperative recurrence of clinical early-stage non-small cell lung cancers: a comparison between solid and subsolid nodules 査読有り 国際誌

    Iwano Shingo, Umakoshi Hiroyasu, Kamiya Shinichiro, Yokoi Kohei, Kawaguchi Koji, Fukui Takayuki, Naganawa Shinji

    CANCER IMAGING   19 巻 ( 1 ) 頁: 33 - 33   2019年6月

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1186/s40644-019-0219-3

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  82. A plea for systematic literature analysis and conclusive study design, comment on: "Systematic review of magnetic resonance imaging for diagnosis of Meniere disease". 査読有り 国際誌

    Gürkov R, Barath K, de Foer B, Fukushima M, Gluth M, Hornibrook J, Perez-Fernandez N, Pyykkö I, Sone M, Usami SI, Wang W, Zou J, Naganawa S

    Journal of vestibular research : equilibrium & orientation     2019年6月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.3233/VES-190662

    PubMed

  83. Monitoring of fatigue in radiologists during prolonged image interpretation using fNIRS 査読有り

    Nihashi Takashi, Ishigaki Takeo, Satake Hiroko, Ito Shinji, Kaii Osamu, Mori Yoshine, Shimamoto Kazuhiro, Fukushima Hiromichi, Suzuki Kojiro, Umakoshi Hiroyasu, Ohashi Mitsuo, Kawaguchi Fumio, Naganawa Shinji

    JAPANESE JOURNAL OF RADIOLOGY   37 巻 ( 6 ) 頁: 437 - 448   2019年6月

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1007/s11604-019-00826-2

    Web of Science

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  84. Increased signal intensity of low-concentration gadolinium contrast agent by longer repetition time in heavily T<sub>2</sub>-weighted-3D-FLAIR.

    Kato Y, Bokura K, Taoka T, Naganawa S

    Japanese journal of radiology   37 巻 ( 5 ) 頁: 431-435   2019年5月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1007/s11604-019-00828-0

    PubMed

  85. Phase II study of chemoradiotherapy combined with gemcitabine plus nab-paclitaxel for unresectable locally advanced pancreatic ductal adenocarcinoma (NUPAT 05 Trial): study protocol for a single arm phase II study 査読有り

    Takano Nao, Yamada Suguru, Hirakawa Akihiro, Yokoyama Yukihiro, Kawashima Hiroki, Maeda Osamu, Okada Tohru, Ohno Eizaburo, Yamaguchi Junpei, Ishikawa Takuya, Sonohara Fuminori, Suenaga Masaya, Takami Hideki, Hayashi Masamichi, Niwa Yukiko, Hirooka Yoshiki, Ito Yoshiyuki, Naganawa Shinji, Ando Yuichi, Nagino Masato, Goto Hidemi, Fuji Tsutomu, Kodera Yasuhiro

    NAGOYA JOURNAL OF MEDICAL SCIENCE   81 巻 ( 2 ) 頁: 233 - 239   2019年5月

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.18999/nagjms.81.2.233

    Web of Science

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  86. Utility of Metabolic Parameters on FDG PET/CT in the Classification of Early-Stage Lung Adenocarcinoma: Prediction of Pathological Invasive Size.

    Iwano S, Ito S, Kamiya S, Ito R, Kato K, Naganawa S

    Clinical nuclear medicine     2019年4月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1097/RLU.0000000000002591

    PubMed

  87. A case of human pancreatic eurytremiasis 査読有り 国際誌

    Ogawa Hiroshi, Takehara Yasuo, Naganawa Shinji, Yamaguchi Junpei, Nakaguro Masato

    ABDOMINAL RADIOLOGY   44 巻 ( 4 ) 頁: 1213 - 1216   2019年4月

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1007/s00261-019-01925-4

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  88. Clinical Features of Ears With Otosclerosis and Endolymphatic Hydrops.

    Wang F, Yoshida T, Sugimoto S, Shimono M, Teranishi M, Naganawa S, Sone M

    Otology & neurotology : official publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology   40 巻 ( 4 ) 頁: 441-445   2019年4月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1097/MAO.0000000000002175

    PubMed

  89. Influence of implanted metals in new CT reconstruction algorithm for radiotherapy treatment planning 査読有り

    Kamomae T, Nakaya T, Kawabata F, Okudaira K, Kumagai M, Oguchi H, Itoh Y, Naganawa S

    RADIOTHERAPY AND ONCOLOGY   133 巻   頁: S1132-S1132   2019年4月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  90. Quantitative Follow-Up Assessment of Patients with Interstitial Lung Disease by 3D-Curved High-Resolution CT Imaging Parallel to the Chest Wall 査読有り

    Umakoshi Hiroyasu, Iwano Shingo, Inoue Tsutomu, Li Yuanzhong, Nakamura Keigo, Naganawa Shinji

    NAGOYA JOURNAL OF MEDICAL SCIENCE   81 巻 ( 1 ) 頁: 41 - 53   2019年2月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.18999/nagjms.81.1.41

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  91. Significance of internal auditory canal diverticula in ears with otosclerosis.

    Wang F, Yoshida T, Shimono M, Sugimoto S, Teranishi M, Naganawa S, Sone M

    Acta oto-laryngologica     頁: 1-4   2019年1月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1080/00016489.2018.1521526

    PubMed

  92. 画像診断と病理 骨芽細胞腫

    駒田 智大, 岩野 信吾, 長縄 慎二, 新井 英介, 西田 佳弘, 下山 芳江

    画像診断   39 巻 ( 1 ) 頁: 4-5   2018年12月

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  93. Signal Intensity of the Cerebrospinal Fluid after Intravenous Administration of Gadolinium-based Contrast Agents: Strong Contrast Enhancement around the Vein of Labbe.

    Ohashi T, Naganawa S, Ogawa E, Katagiri T, Kuno K

    Magnetic resonance in medical sciences : MRMS : an official journal of Japan Society of Magnetic Resonance in Medicine     2018年11月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.2463/mrms.mp.2018-0043

    PubMed

  94. Can low b value diffusion weighted imaging evaluate the character of cerebrospinal fluid dynamics?

    Taoka T, Naganawa S, Kawai H, Nakane T, Murata K

    Japanese journal of radiology     2018年11月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1007/s11604-018-0790-8

    PubMed

  95. Age Dependence of Gadolinium Leakage from the Cortical Veins into the Cerebrospinal Fluid Assessed with Whole Brain 3D-real Inversion Recovery MR Imaging.

    Naganawa S, Nakane T, Kawai H, Taoka T

    Magnetic resonance in medical sciences : MRMS : an official journal of Japan Society of Magnetic Resonance in Medicine     2018年11月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.2463/mrms.mp.2018-0053

    PubMed

  96. 画像診断レポート未読問題について

    長縄慎二

    健康文化   ( 53 ) 頁: 138-142   2018年11月

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  97. 第三次人工知能ブーム?

    長縄慎二

    健康文化   ( 53 ) 頁: 1-2   2018年11月

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  98. 2019年 最新医療機器の動向を探る CTおよびMRIなどの画像診断機器の最新潮流ならびに今後のあり方

    長縄慎二

    医療機器システム白書     頁: 14-17   2018年11月

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    担当区分:筆頭著者   記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  99. Analysis of late adverse events and their chronological changes after radiation therapy for cervical cancer

    Yamada Takehiro, Ishihara Shunichi, Kawai Michiyasu, Itoh Yoshiyuki, Naganawa Shinji, Ikeda Mitsuru

    NAGOYA JOURNAL OF MEDICAL SCIENCE   80 巻 ( 4 ) 頁: 487-496   2018年11月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.18999/nagjms.80.4.487

    Web of Science

  100. Significance of Endolymphatic Hydrops Herniation Into the Semicircular Canals Detected on MRI.

    Sugimoto S, Yoshida T, Teranishi M, Kobayashi M, Shimono M, Naganawa S, Sone M

    Otology & neurotology : official publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology   39 巻 ( 10 ) 頁: 1229-1234   2018年10月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1097/MAO.0000000000002022

    PubMed

  101. Involvement of the Precuneus/Posterior Cingulate Cortex Is Significant for the Development of Alzheimer's Disease: A PET (THK5351, PiB) and Resting fMRI Study 査読有り 国際誌

    Yokoi Takamasa, Watanabe Hirohisa, Yamaguchi Hiroshi, Bagarinao Epifanio, Masuda Michihito, Imai Kazunori, Ogura Aya, Ohdake Reiko, Kawabata Kazuya, Hara Kazuhiro, Riku Yuichi, Ishigaki Shinsuke, Katsuno Masahisa, Miyao Shinichi, Kato Katsuhiko, Naganawa Shinji, Harada Ryuichi, Okamura Nobuyuki, Yenai Kazuhiko, Yoshida Mari, Sobue Gen

    FRONTIERS IN AGING NEUROSCIENCE   10 巻   頁: 304 - 304   2018年10月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.3389/fnagi.2018.00304

    Web of Science

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  102. Diagnostic Radiology Service in Japan. 査読有り

    Naganawa S, Korogi Y

    Japanese journal of radiology   36 巻 ( 10 ) 頁: 575 - 578   2018年10月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1007/s11604-018-0770-z

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  103. PREDICTION OF INTRACRANIAL ARTERIAL STENOSIS PROGRESSION IN PATIENTS WITH MOYAMOYA VASCULOPATHY: CONTRAST-ENHANCED HIGH-RESOLUTION MAGNETIC RESONANCE VESSELWALL IMAGING

    Muraoka S., Araki Y., Taoka T., Kawai H., Okamoto S., Uda K., Ota S., Naganawa S., Wakabayashi T.

    INTERNATIONAL JOURNAL OF STROKE   13 巻   頁: 32-32   2018年10月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    Web of Science

  104. Longitudinal Findings of MRI and PET in West Syndrome with Subtle Focal Cortical Dysplasia

    Sakaguchi Y., Kidokoro H., Ogawa C., Okai Y., Ito Y., Yamamoto H., Ohno A., Nakata T., Tsuji T., Nakane T., Kawai H., Kato K., Naganawa S., Natsume J.

    AMERICAN JOURNAL OF NEURORADIOLOGY   39 巻 ( 10 ) 頁: 1932-1937   2018年10月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.3174/ajnr.A5772

    Web of Science

  105. Prediction of recurrence using volume-based metabolic index obtained by preoperative FDG-PET for non-small-cell lung cancer

    Ito S., Iwano S., Kato K., Naganawa S.

    EUROPEAN JOURNAL OF NUCLEAR MEDICINE AND MOLECULAR IMAGING   45 巻   頁: S506-S506   2018年10月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    Web of Science

  106. Corpus callosal involvement is correlated with cognitive impairment in multiple system atrophy. 査読有り 国際誌

    Hara K, Watanabe H, Bagarinao E, Kawabata K, Yoneyama N, Ohdake R, Imai K, Masuda M, Yokoi T, Ogura A, Tsuboi T, Ito M, Atsuta N, Niwa H, Taoka T, Maesawa S, Naganawa S, Katsuno M, Sobue G

    Journal of neurology   265 巻 ( 9 ) 頁: 2079 - 2087   2018年9月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1007/s00415-018-8923-7

    Web of Science

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  107. Histogram analysis of quantitative pharmacokinetic parameters on DCE-MRI: correlations with prognostic factors and molecular subtypes in breast cancer.

    Nagasaka K, Satake H, Ishigaki S, Kawai H, Naganawa S

    Breast cancer (Tokyo, Japan)     2018年8月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1007/s12282-018-0899-8

    PubMed

  108. Prediction of Intracranial Arterial Stenosis Progression in Patients with Moyamoya Vasculopathy: Contrast-Enhanced High-Resolution Magnetic Resonance Vessel Wall Imaging. 査読有り 国際誌

    Muraoka S, Araki Y, Taoka T, Kawai H, Okamoto S, Uda K, Ota S, Naganawa S, Wakabayashi T

    World neurosurgery   116 巻   頁: e1114-e1121 - e1121   2018年8月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1016/j.wneu.2018.05.181

    Web of Science

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  109. Predictive factors for the outcomes of initial I-131 low-dose ablation therapy to Japanese patients with differentiated thyroid cancer. 査読有り

    Ito S, Iwano S, Kato K, Naganawa S

    Annals of nuclear medicine   32 巻 ( 6 ) 頁: 418 - 424   2018年7月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1007/s12149-018-1261-0

    Web of Science

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  110. 【膵癌update】 診断 MRI/MRCP

    小川 浩、竹原康雄、長縄慎二

    臨床消化器内科   33 巻 ( 7 ) 頁: 789-793   2018年7月

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  111. Myocardial motion analysis based on an optical flow method using tagged MR images. 査読有り

    Tabata D, Isoda H, Kato K, Matsubara H, Kosugi T, Kosugi T, Terada M, Fukuyama A, Komori Y, Naganawa S

    Radiological physics and technology   11 巻 ( 2 ) 頁: 202 - 211   2018年6月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1007/s12194-018-0456-3

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  112. Study Protocol: Prospective Study of Concurrent Chemoradiotherapy with S-1 and Hypofractionated Radiotherapy for Outpatients with Early Glottic Squamous Cell Carcinomas 査読有り 国際誌

    Kimura K, Itoh Y, Okada T, Kubota S, Kawamura M, Nakahara R, Oie Y, Kozai Y, Takase Y, Tsuzuki H, Nishio N, Hiramatsu M, Fujimoto Y, Mizutani T, Hirakawa A, Naganawa S

    Asian Pacific journal of cancer prevention : APJCP   19 巻 ( 5 ) 頁: 1195 - 1199   2018年5月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.22034/APJCP.2018.19.5.1195

    PubMed

  113. Inter-individual Comparison of Gadobutrol and Gadoteridol Tissue Time-intensity Profiles for Dynamic Susceptibility Contrast Perfusion MR Imaging.

    Yamada M, Taoka T, Kawaguchi A, Yasuda K, Niinomi Y, Ohashi Y, Okuda T, Naganawa S

    Magnetic resonance in medical sciences : MRMS : an official journal of Japan Society of Magnetic Resonance in Medicine     2018年5月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.2463/mrms.mp.2017-0172

    PubMed

  114. Evaluation of the tumoricidal and pain relief effects of Sr-89 on bone metastases of cancer by F-18-fluoride PET/CT, F-18-FDG PET/CT, bone scintigraphy/SPECT, and follow-up

    Kato Katsuhiko, Odagawa Tetsuro, Fujita Naotoshi, Tsutsumi Yoshinori, Matsuzawa Shinichiro, Mukumoto Ryuto, Hasegawa Chinatsu, Abe Shinji, Naganawa Shinji

    JOURNAL OF NUCLEAR MEDICINE   59 巻   頁: .   2018年5月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    Web of Science

  115. Phase I study of chemoradiotherapy using gemcitabine plus nab-paclitaxel for unresectable locally advanced pancreatic cancer. 査読有り 国際誌

    Yamada S, Fujii T, Yokoyama Y, Kawashima H, Maeda O, Suzuki K, Okada T, Ono E, Yamaguchi J, Takano N, Takami H, Hayashi M, Niwa Y, Hirooka Y, Ito Y, Naganawa S, Ando Y, Nagino M, Goto H, Kodera Y

    Cancer chemotherapy and pharmacology   81 巻 ( 5 ) 頁: 815 - 821   2018年5月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1007/s00280-018-3554-3

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  116. Diagnostic performance of <sup>18</sup>F-FDG PET/CT and whole-body diffusion-weighted imaging with background body suppression (DWIBS) in detection of lymph node and bone metastases from pediatric neuroblastoma.

    Ishiguchi H, Ito S, Kato K, Sakurai Y, Kawai H, Fujita N, Abe S, Narita A, Nishio N, Muramatsu H, Takahashi Y, Naganawa S

    Annals of nuclear medicine     2018年4月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1007/s12149-018-1254-z

    PubMed

  117. An unbiased data-driven age-related structural brain parcellation for the identification of intrinsic brain volume changes over the adult lifespan

    Bagarinao Epifanio, Watanabe Hirohisa, Maesawa Satoshi, Mori Daisuke, Hara Kazuhiro, Kawabata Kazuya, Yoneyama Noritaka, Ohdake Reiko, Imai Kazunori, Masuda Michihito, Yokoi Takamasa, Ogura Aya, Wakabayashi Toshihiko, Kuzuya Masafumi, Ozaki Norio, Hoshiyama Minoru, Isoda Haruo, Naganawa Shinji, Sobue Gen

    NEUROIMAGE   169 巻   頁: 134 - 144   2018年4月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1016/j.neuroimage.2017.12.014

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  118. Efficacy of percutaneous transhepatic portal vein embolization using gelatin sponge particles and metal coils. 査読有り 国際誌

    Komada T, Suzuki K, Mizuno T, Ebata T, Matsushima M, Naganawa S, Nagino M

    Acta radiologica open   7 巻 ( 4 ) 頁: 2058460118769687 - 2058460118769687   2018年4月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1177/2058460118769687

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  119. Tau Kinetics in Neurons and the Human Central Nervous System

    Sato Chihiro, Barthelemy Nicolas R., Mawuenyega Kwasi G., Patterson Bruce W., Gordon Brian A., Jockel-Balsarotti Jennifer, Sullivan Melissa, Crisp Matthew J., Kasten Tom, Kirmess Kristopher M., Kanaan Nicholas M., Yarasheski Kevin E., Baker-Nigh Alaina, Benzinger Tammie L. S., Miller Timothy M., Karch Celeste M., Bateman Randall J.

    NEURON   97 巻 ( 6 ) 頁: 1284 - +   2018年3月

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    掲載種別:研究論文(学術雑誌)  

    DOI: 10.1016/j.neuron.2018.02.015

    Web of Science

  120. Computer-aided Volumetry of Part-Solid Lung Cancers by Using CT: Solid Component Size Predicts Prognosis.

    Kamiya S, Iwano S, Umakoshi H, Ito R, Shimamoto H, Nakamura S, Naganawa S

    Radiology     頁: 172319   2018年3月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1148/radiol.2018172319

    PubMed

  121. Improved 3D-real Inversion Recovery: A Robust Imaging Technique for Endolymphatic Hydrops after Intravenous Administration of Gadolinium.

    Naganawa S, Kawai H, Taoka T, Sone M

    Magnetic resonance in medical sciences : MRMS : an official journal of Japan Society of Magnetic Resonance in Medicine     2018年3月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.2463/mrms.bc.2017-0158

    PubMed

  122. Distinct manifestation of cognitive deficits associate with different resting-state network disruptions in non-demented patients with Parkinson's disease.

    Kawabata K, Watanabe H, Hara K, Bagarinao E, Yoneyama N, Ogura A, Imai K, Masuda M, Yokoi T, Ohdake R, Tanaka Y, Tsuboi T, Nakamura T, Hirayama M, Ito M, Atsuta N, Maesawa S, Naganawa S, Katsuno M, Sobue G

    Journal of neurology   265 巻 ( 3 ) 頁: 688-700   2018年3月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1007/s00415-018-8755-5

    PubMed

  123. Distinct manifestation of cognitive deficits associate with different resting-state network disruptions in non-demented patients with Parkinson's disease

    Kawabata Kazuya, Watanabe Hirohisa, Hara Kazuhiro, Bagarinao Epifanio, Yoneyama Noritaka, Ogura Aya, Imai Kazunori, Masuda Michihito, Yokoi Takamasa, Ohdake Reiko, Tanaka Yasuhiro, Tsuboi Takashi, Nakamura Tomohiko, Hirayama Masaaki, Ito Mizuki, Atsuta Naoki, Maesawa Satoshi, Naganawa Shinji, Katsuno Masahisa, Sobue Gen

    JOURNAL OF NEUROLOGY   265 巻 ( 3 ) 頁: 688-700   2018年3月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1007/s00415-018-8755-5

    Web of Science

  124. 特集 脳脊髄液動態のすべて 脳脊髄液による老廃物のクリアランス―glymphaticシステム―

    田岡俊昭、長縄慎二

    画像診断   38 巻 ( 3 ) 頁: 268-276   2018年3月

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  125. MR画像による脳内の物質輸送機構の解明

    長縄慎二、田岡俊昭、川井 恒

    脳とこころの研究センター 脳疾患克服に向けた次世代創薬開発のためのコホート・コンソーシアム型研究拠点形成   平成29年度活動報告書     頁: 25-26   2018年3月

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  126. 脳とこころの研究センター長 挨拶

    長縄慎二

    脳とこころの研究センター 脳疾患克服に向けた次世代創薬開発のためのコホート・コンソーシアム型研究拠点形成   平成29年度活動報告書     頁: 1   2018年3月

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  127. 後下小脳動脈抹消部動脈瘤の診断におけるthin slab MIP法の有用性

    長縄慎二

    日本脳神経CI学会機関誌   39 巻 ( 3-4 ) 頁: 121-130   2018年3月

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  128. Patients with anti-thyroid antibodies are prone to develop destructive thyroiditis by nivolumab: a prospective study 査読有り

    Tomoko Kobayashi, Shintaro Iwama, Yoshinori Yasuda, Norio Okada, Taku Tsunekawa, Takeshi Onoue, Hiroshi Takagi, Daisuke Hagiwara, Yoshihiro Ito, Yoshiaki Morishita, Motomitsu Goto, Hidetaka Suga, Ryoichi Banno, Kenji Yokota, Tetsunari Hase, Masahiro Morise, Naozumi Hashimoto, Masahiko Ando, Hitoshi Kiyoi, Momokazu Gotoh, Yuichi Ando, Masashi Akiyama, Yoshinori Hasegawa, Hiroshi Arima

    Journal of the Endocrine Society     2018年2月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1210/js.2017-00432

  129. Detecting sub-second changes in brain activation patterns during interictal epileptic spike using simultaneous EEG-fMRI 査読有り 国際誌

    Bagarinao Epifanio, Maesawa Satoshi, Ito Yuji, Usui Naotaka, Natsume Jun, Watanabe Hirohisa, Hoshiyama Minoru, Wakabayashi Toshihiko, Sobue Gen, Naganawa Shinji, Isoda Haruo

    CLINICAL NEUROPHYSIOLOGY   129 巻 ( 2 ) 頁: 377 - 389   2018年2月

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1016/j.clinph.2017.11.018

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  130. Relationship between Contrast Enhancement of the Perivascular Space in the Basal Ganglia and Endolymphatic Volume Ratio. 査読有り

    Ohashi T, Naganawa S, Katagiri T, Kuno K

    Magnetic resonance in medical sciences : MRMS : an official journal of Japan Society of Magnetic Resonance in Medicine   17 巻 ( 1 ) 頁: 67 - 72   2018年1月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.2463/mrms.mp.2017-0001

    Web of Science

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  131. Differences in Signal Intensity and Enhancement on MR Images of the Perivascular Spaces in the Basal Ganglia versus Those in White Matter. 査読有り

    Shinji Naganawa, Toshiki Nakane, Hisashi Kawai, Toshiaki Taoka

    Magn Reson Med Sci.     2018年1月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.2463/mrms.mp.2017-0137.

    PubMed

  132. Gadolinium-based Contrast Media, Cerebrospinal Fluid and the Glymphatic System: Possible Mechanisms for the Deposition of Gadolinium in the Brain. 査読有り

    Toshiaki Taoka, Shinji Naganawa

    Magn Reson Med Sci.     2018年1月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.2463/mrms.rev.2017-0116.

    PubMed

  133. Effects of Gradient Coil Noise and Gradient Coil Replacement on the Reproducibility of Resting State Networks. 査読有り 国際誌

    Bagarinao E, Tsuzuki E, Yoshida Y, Ozawa Y, Kuzuya M, Otani T, Koyama S, Isoda H, Watanabe H, Maesawa S, Naganawa S, Sobue G

    Frontiers in human neuroscience   12 巻   頁: 148 - 148   2018年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.3389/fnhum.2018.00148

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  134. Differences in Signal Intensity and Enhancement on MR Images of the Perivascular Spaces in the Basal Ganglia versus Those in White Matter

    Naganawa Shinji, Nakane Toshiki, Kawai Hisashi, Taoka Toshiaki

    MAGNETIC RESONANCE IN MEDICAL SCIENCES   17 巻 ( 4 ) 頁: 301-307   2018年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.2463/mrms.mp.2017-0137

    Web of Science

  135. Clinical MR imaging of endolymphatic hydrops: Updates on scanning methods, image processing and interpretation. 査読有り

    Shinji Naganwa

    Solutions in Contrast Imaging.   9 巻 ( 5 ) 頁: 1-5   2018年

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    担当区分:筆頭著者   記述言語:英語   掲載種別:研究論文(学術雑誌)  

  136. Dosimetric feasibility of using tungsten-based functional paper for flexible chest wall protectors in intraoperative electron radiotherapy for breast cancer. 査読有り 国際誌

    Kamomae T, Monzen H, Kawamura M, Okudaira K, Nakaya T, Mukoyama T, Miyake Y, Ishihara Y, Itoh Y, Naganawa S

    Physics in medicine and biology   63 巻 ( 1 ) 頁: 015006 - 015006   2017年12月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1088/1361-6560/aa96cf

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  137. An unbiased data-driven age-related structural brain parcellation for the identification of intrinsic brain volume changes over the adult lifespan. 査読有り

    Epifanio Bagarinao, Hirohisa Watanabe, Satoshi Maesawa, Daisuke Mori, Kazuhiro Hara, Kazuya Kawabata, Noritaka Yoneyama, Reiko Ohdake, Kazunori Imai, Michihito Masuda, Takamasa Yokoi, Aya Ogura, Toshihiko Wakabayashi, Masafumi Kuzuya, NorioOzaki, Minoru Hoshiyama, Haruo Isoda, Shinji Naganawa, Gen Sobue

    Neuroimage   ( 169 ) 頁: 134-144   2017年12月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    PubMed

  138. Longitudinal up-regulation of endolymphatic hydrops in patients with Meniere's disease during medical treatment. 査読有り 国際誌

    Fukushima M, Kitahara T, Oya R, Akahani S, Inohara H, Naganawa S, Takeda N

    Laryngoscope investigative otolaryngology   2 巻 ( 6 ) 頁: 344 - 350   2017年12月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1002/lio2.115

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  139. The relationship between endolymphatic hydrops in the vestibule and low-frequency air-bone gaps.

    Sugimoto S, Yoshida T, Teranishi M, Okazaki Y, Naganawa S, Sone M

    The Laryngoscope     2017年11月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1002/lary.26898

    PubMed

  140. The Relationship Between Endolymphatic Hydrops in the Vestibule and Low-Frequency Air-Bone Gaps.

    Satofumi Sugimoto, Tadao Yoshida, Masaaki Teranishi, Yuriko Okazaki, Shinji Naganawa, Michihiko Sone

    Laryngoscope.     2017年11月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1002/lary.26898.

  141. Letter to editor [Saccular measurements in routine MRI can predict hydrops in Meniele disease] by Simon F et al.

    Pablo Dominguez, Shinji Naganawa

    Eur Arch Otorhinolaryngol.     2017年11月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1007/s00405-017-4794-2

  142. Structural MRI correlates of amyotrophic lateral sclerosis progression. 査読有り 国際誌

    Senda J, Atsuta N, Watanabe H, Bagarinao E, Imai K, Yokoi D, Riku Y, Masuda M, Nakamura R, Watanabe H, Ito M, Katsuno M, Naganawa S, Sobue G

    Journal of neurology, neurosurgery, and psychiatry   88 巻 ( 11 ) 頁: 901 - 907   2017年11月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1136/jnnp-2016-314337

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  143. The retention pattern of THK5351 pet imaging and functional network disruption associated with development of Alzheimer's disease

    Yokoi T., Watanabe H., Yamaguchi H., Bagarinao E., Masuda M., Imai K., Ogura A., Ohdake R., Kawabata K., Hara K., Riku Y., Ishigaki S., Katsuno M., Kato K., Naganawa S., Okamura N., Miyao S., Yanai K., Sobue G.

    JOURNAL OF THE NEUROLOGICAL SCIENCES   381 巻   頁: 960 - 961   2017年10月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1016/j.jns.2017.08.2705

    Web of Science

  144. Improved HYDROPS: Imaging of Endolymphatic Hydrops after Intravenous Administration of Gadolinium. 査読有り

    Shinji Naganawa, Hisashi Kawai, Toshiaki Taoka, Michihiko Sone

    Magn Reson Med Sci.   ( 16 ) 頁: 357-361   2017年10月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  145. Three-dimensional printer-generated patient-specific phantom for artificial in vivo dosimetry in radiotherapy quality assurance. 査読有り

    Takeshi Kamomae, Hidetoshi Shimizu, Takayoshi Nakaya, Kuniyasu Okudaira, Takahiro Aoyama, Hiroshi Oguchi, Masataka Komori, Mariko Kawamura, Kazuhiro Ohtakara, Hajime Monzen, Yoshiyuki Itoh, Shinji Naganawa

    Phys Med.     2017年10月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1016/j.ejmp.2017.10.005.

  146. Longitudinal Up-Regulation of Endolymphatic Hydrops in Patients with Meniere's Disease During Medical Treatment. 査読有り

    Munehisa Fukushima, Tadashi Kitahara, Ryohei Oya, Shiro Akahani, Hidenori Inohara, Shinji Naganawa, Noriaki Takeda

    Laryngoscope Investigative Otolaryngology.   - 巻 ( - )   2017年10月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: -

  147. A comparative analysis of dual-phase dual-energy CT and FDG-PET/CT for the prediction of histopathological invasiveness of non-small cell lung cancer. 査読有り 国際誌

    Ito R, Iwano S, Shimamoto H, Umakoshi H, Kawaguchi K, Ito S, Kato K, Naganawa S

    European journal of radiology   95 巻   頁: 186 - 191   2017年10月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1016/j.ejrad.2017.08.010

    Web of Science

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  148. Comparison of I-123-IMP SPECT, F-18-FDG PET/CT, and F-18-FDOPA PET/CT in Detection of Choroidal Malignant Melanoma

    Kato K., Odagawa T., Tsutsumi T., Honda M., Kunimoto K., Mukumoto R., Matsuzawa S., Abe S., Naganawa S.

    EUROPEAN JOURNAL OF NUCLEAR MEDICINE AND MOLECULAR IMAGING   44 巻   頁: S745-S745   2017年10月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    Web of Science

  149. Appearance of the Organum Vasculosum of the Lamina Terminalis on Contrast-enhanced MR Imaging.

    Naganawa S, Taoka T, Kawai H, Yamazaki M, Suzuki K

    Magnetic resonance in medical sciences : MRMS : an official journal of Japan Society of Magnetic Resonance in Medicine     2017年9月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.2463/mrms.mp.2017-0088

    PubMed

  150. Significance of Endolymphatic Hydrops in Ears With Unilateral Sensorineural Hearing Loss. 査読有り

    Yuriko Okazaki, Tadao Yoshida, Satofumi Sugimoto, Masaaki Teranishi, Ken Kato, Shinji Naganawa, Michihiko Sone

    Otol Neurotol.   38 巻 ( 8 ) 頁: 1076-1080   2017年9月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  151. Clinical usefulness of MLCs in robotic radiosurgery systems for prostate SBRT. 査読有り

    Masashi Tomida, Takeshi Kamomae, Junji Suzuki, Yoichi Ohashi, Yoshiyuki Itoh, Hiroshi Oguchi, Takahito Okuda

    J Appl Clin Med Phys.   18 巻 ( 5 ) 頁: 124-133   2017年9月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  152. Quantitative evaluation of interstitial pneumonia using 3D-curved high-resolution CT imaging parallel to the chest wall: A pilot study. 査読有り

    Hiroyasu Umakoshi, Shingo Iwano, Tsutomu Inoue, Yuanzhong Li, Shinji Naganawa

    PLoS One.   12 巻 ( 9 ) 頁: e0185532.   2017年9月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  153. Letter to Editors: Detection of endolymphatic hydrops using traditional MR imaging sequences.

    Naganawa S, Sone M

    American journal of otolaryngology   38 巻 ( 5 ) 頁: 637 - 638   2017年9月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1016/j.amjoto.2017.06.014

    Scopus

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  154. Significance of Endolymphatic Hydrops in Ears With Unilateral Sensorineural Hearing Loss. 国際誌

    Okazaki Y, Yoshida T, Sugimoto S, Teranishi M, Kato K, Naganawa S, Sone M

    Otology & neurotology : official publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology   38 巻 ( 8 ) 頁: 1076 - 1080   2017年9月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1097/MAO.0000000000001499

    Web of Science

    PubMed

  155. FDG-PET/CT predicts survival and lung metastasis of hypopharyngeal cancer in a multi-institutional retrospective study. 査読有り

    Hidenori Suzuki, Katsuhiko Kato, Masami Nishio, Tsuneo Tamaki, Yasushi Fujimoto, Mariko Hiramatsu, Nobuhiro Hanai, Takeshi Kodaira, Yoshiyuki Itoh, Shinji Naganawa, Michihiko Sone, Yasuhisa Hasegawa

    Ann Nucl Med.   31 巻 ( 7 ) 頁: 514-520   2017年8月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  156. A comparative analysis of dual-phase dual-energy CT and FDG-PET/CT for the prediction of histopathological invasiveness of non-small cell lung cancer. 査読有り

    Rintaro Ito, Shingo Iwano, Hironori Shimamoto, Hiroyasu Umakoshi, Koji Kawaguchi, Shinji Ito, Katsuhiko Kato, Shinji Naganawa

    European Journal of Radiology.   ( 95 ) 頁: 186-191   2017年8月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  157. Optimized treatment strategy of radiotherapy for early glottic squamous cell carcinomas: An initial analysis. 査読有り

    Kana Kimura, Yoshiyuki Itoh, Tohru Okada, Seiji Kubota, Mariko Kawamura, Rie Nakahara, Yumi Oie, Yuka Kozai, Yuuki Takase, Hidenori Tsuzuki, Naoki Nishio, Mariko Hiramatsu, Yasushi Fujimoto, Takefumi Mizutani, Shinji Naganawa

    Nagoya J Med Sci.   79 巻 ( 3 ) 頁: 331-338   2017年8月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  158. FDG-PET/CT predicts survival and lung metastasis of hypopharyngeal cancer in a multi-institutional retrospective study. 査読有り

    Suzuki H, Kato K, Nishio M, Tamaki T, Fujimoto Y, Hiramatsu M, Hanai N, Kodaira T, Itoh Y, Naganawa S, Sone M, Hasegawa Y

    Annals of nuclear medicine   31 巻 ( 7 ) 頁: 514 - 520   2017年8月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1007/s12149-017-1176-1

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  159. Optimized treatment strategy of radiotherapy for early glottic squamous cell carcinomas: An initial analysis. 査読有り

    Kimura K, Itoh Y, Okada T, Kubota S, Kawamura M, Nakahara R, Oie Y, Kozai Y, Takase Y, Tsuzuki H, Nishio N, Hiramatsu M, Fujimoto Y, Mizutani T, Naganawa S

    Nagoya journal of medical science   79 巻 ( 3 ) 頁: 331 - 338   2017年8月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.18999/nagjms.79.3.331

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  160. Penetration and distribution of gadolinium-based contrast agents into the cerebrospinal fluid in healthy rats: a potential pathway of entry into the brain tissue 査読有り

    Gregor Jost, Thomas Frenzel, Jessica Lohrke, Diana Constanze Lenhard, Shinji Naganawa, Hubertus Pietsch

    Eur Radiol.   27 巻 ( 7 ) 頁: 2877-2885   2017年7月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  161. Development of the breast immobilization system in prone setup: The effect of bra in prone position to improve the breast setup error. 査読有り 国際誌

    Kawamura M, Maeda Y, Yamamoto K, Takamatsu S, Sato Y, Minami H, Saga Y, Kume K, Tameshige Y, Sasaki M, Tamamura H, Ohta K, Itoh Y, Naganawa S

    Journal of applied clinical medical physics   18 巻 ( 4 ) 頁: 155 - 160   2017年7月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1002/acm2.12116

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  162. Portal Vein Bleeding after Pancreatectomy: Diagnosis and Stent Graft Repair - A Consecutive Case Series

    Suzuki Kojiro, Ebata Tomoki, Komada Tomohiro, Matsushima Masaya, Mizuno Takashi, Igami Tsuyoshi, Sugawara Gen, Yokoyama Yukihiro, Naganawa Shinji, Nagino Masato

    JOURNAL OF THE PANCREAS   18 巻 ( 4 ) 頁: 339 - 344   2017年7月

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    掲載種別:研究論文(学術雑誌)  

    Web of Science

  163. Progression of mean pulmonary arterial pressure in idiopathic pulmonary fibrosis with mild to moderate restriction 査読有り

    Ryo Teramachi, Hiroyuki Taniguchi, Yasuhiro Kondoh, Masahiko Ando, Tomoki Kimura, Kensuke Kataoka, Atsushi Suzuki, Taiki Furukawa, Koji Sakamoto, Yoshinori Hasegawa

    RESPIROLOGY   22 巻 ( 5 ) 頁: 986 - 990   2017年7月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)   出版者・発行元:WILEY  

    Background and objectiveElevation of mean pulmonary arterial pressure (MPAP) is associated with poor prognosis in patients with idiopathic pulmonary fibrosis (IPF), yet the progression of MPAP in patients with IPF has not been sufficiently elucidated. We evaluated serial changes in MPAP and its determinants in patients with IPF with mild to moderate restriction.
    MethodsWe retrospectively reviewed patients with IPF who underwent initial evaluations including right heart catheterization (RHC) in our institute from May 2007 to December 2013 with follow-up RHC at least 1year later. Patients with forced vital capacity (FVC)&lt;50% predicted or those with pulmonary artery wedge pressure&gt;15mm Hg were excluded.
    ResultsA total of 95 patients were included. Median follow-up time of second RHC was 1.8years. MPAP increased significantly at follow-up (from 16.8 to 20.2mm Hg; P&lt;0.001), and annual change in MPAP (MPAP) was 1.8mm Hg/year. In multiple regression analysis, the lowest oxygen saturation (SpO(2) ) at 6-min walk test (6MWT) was an independent predictor of MPAP. When adjusted for age, sex, baseline MPAP and FVC % predicted, MPAP was a significant predictor of mortality (hazard ratio: 1.21; P=0.001).
    ConclusionMPAP was significantly associated with desaturation in the 6MWT, and with increased mortality in patients with IPF with mild to moderate restriction.
    We reviewed patients with idiopathic pulmonary fibrosis with mild to moderate restriction and showed that mean pulmonary arterial pressure (MPAP) was progressive. The lowest oxygen saturation (SpO(2) ) in the 6-min walk test at baseline was an independent predictor of annual change in MPAP.

    DOI: 10.1111/resp.12986

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  164. Effect of Gadolinium Deposition on 18F-FDG PET/CT of Dentate Nucleus and Globus Pallidus. 査読有り

    Shinji Naganawa

    J Nucl Med Technol.   45 巻 ( 2 ) 頁: 173   2017年6月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  165. Relationship between Contrast Enhancement of the Perivascular Space in the Basal Ganglia and Endolymphatic Volume Ratio. 査読有り

    Toshio Ohashi, Shinji Naganawa, Toshio Katagiri, Kayao Kuno

    Magn Reson Med Sci.     2017年6月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.2463/mrms.mp.2017-0001.

  166. Letter to Editors: Detection of endolymphatic hydrops using traditional MR imaging sequences. 査読有り

    Shinji Naganawa, Michihiko Sone

    Am J Otolaryngol.   ( 17 ) 頁: 30378-2   2017年6月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  167. FDG PET/CT Overcomes Discordance Between Clinical and Pathologic TNM Classification of Small-size Primary Lung Cancer: Influence on Postoperative Prognosis. 査読有り

    Hiroyasu Umakoshi, Shingo Iwano, Kohei Yokoi, Shinji Ito, Rintaro Ito, Koji Kawaguchi, Takayuki Fukui, Shinji Naganawa

    Clin Lung Cancer.   ( 17 ) 頁: 30170-5   2017年6月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  168. Comparison of accumulation of F-18-FLT PET/CT with histopathological findings of primary and metastatic lesions of urinary tract tumors

    Kato Katsuhiko, Abe Shinji, Matsuzawa Shinichiro, Mukumoto Ryuto, Odagawa Tetsuro, Naganawa Shinji

    JOURNAL OF NUCLEAR MEDICINE   58 巻   頁: .   2017年5月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    Web of Science

  169. Improved HYDROPS: Imaging of Endolymphatic Hydrops after Intravenous Administration of Gadolinium. 査読有り

    Shinji Naganawa, Hisashi Kawai, Toshiaki Taoka, Michihiko Sone,

    Magn Reson Med Sci.   16 巻 ( 4 ) 頁: 357-361   2017年5月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  170. Structural MRI correlates of amyotrophic lateral sclerosis progression. 査読有り

    Joe Senda, Naoki Atsuta, Hirohisa Watanabe, Epifanio Bagarinao, Kazunori Imai, Daichi Yokoi, Yuichi Riku, Michihito Masuda, Ryoichi Nakamura, Hazuki Watanabe, Mizuki Ito, Masahisa Katsuno, Shinji Naganawa, Gen Sobue

    J Neurol Neurosurg Psychiatry.   88 巻 ( 11 ) 頁: 901-907   2017年5月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  171. Clinical outcome of definitive radiation therapy for superficial esophageal cancer. 査読有り

    Yutaro Koide, Takeshi Kodaira, Hiroyuki Tachibana, Natsuo Tomita, Chiyoko Makita, Makoto Itoh, Tetsuya Abe, Kei Muro, Masahiro Tajika, Yasumasa Niwa, Yoshiyuki Itoh, Shinji Naganawa

    Jpn J Clin Oncol.   47 巻 ( 5 ) 頁: 393-400   2017年5月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  172. Portal Vein Bleeding after Pancreatectomy: Diagnosis and Stent Graft Repair - A Consecutive Case Series. 査読有り

    Kojiro Suzuki, Tomoki Ebata, Tomohiro Komada, Masaya Matsushima, Takashi Mizuno, Tsuyoshi Igami, Gen Sugawara, Yukihiro Yokoyama, Shinji Naganawa, Masato Nagino

    Journal of the Pancreas.   18 巻 ( 3 ) 頁: 241-246   2017年5月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  173. Postoperative chemoradiation therapy using high dose cisplatin and fluorouracil for high- and intermediate-risk uterine cervical cancer 査読有り

    Miyauchi Rise, Itoh Yoshiyuki, Kawamura Mariko, Hirakawa Akihiro, Shibata Kiyosumi, Kajiyama Hiroaki, Nakahara Rie, Kubota Seiji, Ito Junji, Okada Tohru, Kikkawa Fumitaka, Naganawa Shinji

    NAGOYA JOURNAL OF MEDICAL SCIENCE   79 巻 ( 2 ) 頁: 211 - 220   2017年5月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.18999/nagjms.79.2.211

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  174. Clinical outcome of definitive radiation therapy for superficial esophageal cancer 査読有り 国際誌

    Koide Yutaro, Kodaira Takeshi, Tachibana Hiroyuki, Tomita Natsuo, Makita Chiyoko, Itoh Makoto, Abe Tetsuya, Muro Kei, Tajika Masahiro, Niwa Yasumasa, Itoh Yoshiyuki, Naganawa Shinji

    JAPANESE JOURNAL OF CLINICAL ONCOLOGY   47 巻 ( 5 ) 頁: 393 - 400   2017年5月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1093/jjco/hyx021

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  175. COPD Assessment Test for measurement of health status in patients with idiopathic pulmonary fibrosis: A cross-sectional study 査読有り

    Toshiaki Matsuda, Hiroyuki Taniguchi, Masahiko Ando, Yasuhiro Kondoh, Tomoki Kimura, Kensuke Kataoka, Koji Sakamoto, Atsushi Suzuki, Taiki Furukawa, Yoshinori Hasegawa

    RESPIROLOGY   22 巻 ( 4 ) 頁: 721 - 727   2017年5月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)   出版者・発行元:WILEY  

    Background and objectiveThe COPD Assessment Test (CAT) has been reported to have potential utility for measuring health status of idiopathic pulmonary fibrosis (IPF). Although the CAT has been developed for the assessment of COPD patients, it has not been fully evaluated exclusively in IPF. This study was designed to evaluate the validity of the CAT in IPF.
    MethodsThe clinical data for 106 consecutive subjects with newly diagnosed IPF who completed pulmonary function tests, partial pressure of oxygen in arterial blood (PaO2 ) at rest, 6-min walk test (6MWT), CAT, St George's Respiratory Questionnaire (SGRQ), modified Medical Research Council (mMRC) dyspnoea grade and Hospital Anxiety and Depression Scale (HADS), were analysed. We assessed the validity of the CAT in comparison with the SGRQ.
    ResultsThe present subjects showed mild to moderate restrictive impairment on spirometry. Mean CAT score and total SGRQ were 12.88.0 and 30.817.7, respectively. The concurrent validity of the CAT score in comparison with the SGRQ total score was significant (r=0.72, P&lt;0.001). Internal consistency (Cronbach's =0.869) and repeatability over 3months (intraclass correlation coefficient=0.742) of the CAT were also significant. Single regression analysis showed that the CAT had significant construct validity. In multiple regression analysis, mMRC, PaO2 at rest, minimum SpO(2) during 6MWT and anxiety of HADS were independent predictors for the CAT.
    ConclusionsThe CAT is a valid health status measurement in IPF patients. Multiple regression analysis showed that the CAT was significantly correlated with dyspnoea severity, oxygenation impairment and anxiety.
    The validity of the COPD Assessment Test (CAT) was evaluated exclusively in idiopathic pulmonary fibrosis (IPF) patients in comparison with the St George's Respiratory Questionnaire (SGRQ). The CAT had a significant correlation with SGRQ and was independently predicted by dyspnoea severity, oxygenation impairment and anxiety.

    DOI: 10.1111/resp.12936

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  176. Altered expression of ganglioside GM3 molecular species and a potential regulatory role during myoblast differentiation

    Go Shinji, Go Shiori, Veillon Lucas, Ciampa Maria Grazia, Mauri Laura, Sato Chihiro, Kitajima Ken, Prinetti Alessandro, Sonnino Sandro, Inokuchi Jin-ichi

    JOURNAL OF BIOLOGICAL CHEMISTRY   292 巻 ( 17 ) 頁: 7040 - 7051   2017年4月

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    掲載種別:研究論文(学術雑誌)  

    DOI: 10.1074/jbc.M116.771253

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  177. CSF Pulsation Artifacts on ADC Maps Obtained with Readout-segmented EPI.

    Toshio Ohashi, Shinji Naganawa, Mai Kanou, Mitsuru Ikeda

    Magn Reson Med Sci.   16 巻 ( 2 ) 頁: 123-128   2017年4月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.2463/mrms.mp.2016-0031

  178. Evaluation of glymphatic system activity with the diffusion MR technique: diffusion tensor image analysis along the perivascular space (DTI-ALPS) in Alzheimer's disease cases. 査読有り

    Toshiaki Taoka, Yoshitaka Masutani, Hisashi Kawai, Toshiki Nakane, Kiwamu Matsuoka, Fumihiko Yasuno, Toshifumi Kishimoto, Shinji Naganawa

    Jpn. J Radiol.   ( 35 ) 頁: 172-178   2017年4月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  179. Lack of Contrast Enhancement in a Giant Perivascular Space of the Basal Ganglion on Delayed FLAIR Images: Implications for the Glymphatic System. 査読有り

    Shinji Naganawa, Toshiki Nakane, Hisashi Kawai, Toshiaki Taoka

    Magn Reson Med Sci.   16 巻 ( 2 ) 頁: 89-90   2017年4月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  180. Evaluation of glymphatic system activity with the diffusion MR technique: diffusion tensor image analysis along the perivascular space (DTI-ALPS) in Alzheimer's disease cases 査読有り

    Taoka Toshiaki, Masutani Yoshitaka, Kawai Hisashi, Nakane Toshiki, Matsuoka Kiwamu, Yasuno Fumihiko, Kishimoto Toshifumi, Naganawa Shinji

    JAPANESE JOURNAL OF RADIOLOGY   35 巻 ( 4 ) 頁: 172 - 178   2017年4月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1007/s11604-017-0617-z

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  181. Magnetic resonance imaging evaluation of endolymphatic hydrops andpost-operative findings in cases with otosclerosis.

    Michihiko Sone, Tadao Yoshida, Satofumi Sugimoto, Kyoko Morimoto, Yuriko Okazaki, Masaaki Teranishi, Shinji Naganawa, Tsutomu Nakashima

    Acta Otolaryngol.   137 巻 ( 3 ) 頁: 242-245   2017年3月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  182. Do gadolinium-based contrast agents affect the 18F-FDG PET/CT uptake in the dentate nucleus and the globus pallidus? 査読有り

    Shinji Naganawa

    J Nucl Med Technol.     2017年3月

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    記述言語:英語  

    DOI: 10.2967/jnmt.116.187591

  183. Magnetic resonance imaging evaluation of endolymphatic hydrops andpost-operative findings in cases with otosclerosis 査読有り

    Sone Michihiko, Yoshida Tadao, Sugimoto Satofumi, Morimoto Kyoko, Okazaki Yuriko, Teranishi Masaaki, Naganawa Shinji, Nakashima Tsutomu

    ACTA OTO-LARYNGOLOGICA   137 巻 ( 3 ) 頁: 242 - 245   2017年3月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1080/00016489.2016.1232862

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  184. Modulation of immunological activity on macrophages induced by diazinon 査読有り

    Nanako Ogasawara, Miyoko Matsushima, Nami Kawamura, Kazuko Atsumi, Takehiro Yamaguchi, Haruka Ochi, Yuto Kusatsugu, Sayaka Oyabu, Naozumi Hashimoto, Yoshinori Hasegawa, Jun Ueyama, Tsutomu Kawabe

    TOXICOLOGY   379 巻   頁: 22 - 30   2017年3月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)   出版者・発行元:ELSEVIER IRELAND LTD  

    Diazinon is an organophosphorus (OP) insecticide and is widely used not only in agriculture but also homes and garden in Japan. Diazinon has been reported to increase TNF-alpha production in rat serum and brain, suggesting that it can modify the proinflammatory response. In this study, we investigated the effects of diazinon on macrophage functions, such as cytokine production, reactive oxygen species (ROS) generation, cyclooxygenase (COX)-2 and inducible nitric oxide synthase (iNOS) expressions, cell-surface molecule expressions, and phagocytosis in RAW264.7 cells. In RAW264.7 cells, diazinon induced the production of TNF-alpha and IL-6. Diazinon induced ROS generation and the expressions of COX-2, iNOS, and cell-surface molecules CD40, CD86, and MI-IC class II, but reduced phagocytic activity in RAW264.7 cells. ERIC and p38, but not JNK and p65 were involved in diazinon-induced IL-6 expression in RAW264.7 cells. We also examined these proinflammatory responses in bone marrow-derived macrophages (BMDM) and bronchoalveolar lavage fluid (BALF) cells. These results suggested that diazinon can activate macrophages and enhance inflammatory responses. (C) 2017 Elsevier B.V. All rights reserved.

    DOI: 10.1016/j.tox.2017.01.014

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    Scopus

    その他リンク: http://orcid.org/0000-0003-0660-2726

  185. Emerging neuroradiological topics in journals from related societies. 査読有り

    Yukunori Korogi, Shinji Naganawa

    Jpn. J Radiol.   35 巻 ( 1 ) 頁: 1-2   2017年2月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  186. Imaging of the endolymphatic space in patients with Ménière's disease. 査読有り

    Tadao Yoshida, Satofumi Sugimoto, Masaaki Teranishi, Hironao Otake, Masahiro Yamazaki, Shinji Naganawa, Tsutomu Nakashima, Michihiko Sone

    Auris Nasus Larynx.   ( 17 ) 頁: 30142-6   2017年2月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  187. Postoperative chemoradiation therapy using high dose cisplatin and fluorouracil for high- and intermediate-risk uterine cervical cancer. 査読有り

    Rise Miyauchi, Yoshiyuki Itoh, Mariko Kawamura, Akihiro Hirakawa, Kiyosumi Shibata, Hiroaki Kajiyama, Rie Nakahara, Seiji Kubota, Junji Ito, Tohru Okada, Fumitaka Kikkawa, Shinji Naganawa

    Nagoya J Med Sci.   79 巻 ( 2 ) 頁: 211-220   2017年2月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  188. Thoracic Temporal Subtraction Three Dimensional Computed Tomography (3D-CT): Screening for Vertebral Metastases of Primary Lung Cancers 査読有り 国際誌

    Iwano Shingo, Ito Rintaro, Umakoshi Hiroyasu, Karino Takatoshi, Inoue Tsutomu, Li Yuanzhong, Naganawa Shinji

    PLOS ONE   12 巻 ( 1 ) 頁: e0170309   2017年1月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1371/journal.pone.0170309

    Web of Science

    PubMed

  189. Thoracic Temporal Subtraction Three Dimensional Computed Tomography (3D-CT): Screening for Vertebral Metastases of Primary Lung Cancers. 査読有り

    Shingo Iwano, Rintaro Ito, Hiroyasu Umakoshi, Takatoshi Karino, Tsutomu Inoue, Yuanzhong Li, Shinji Naganawa

    PLoS One.   12 巻 ( 1 ) 頁: e0170309   2017年1月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  190. Structure of the Medullary Veins of the Cerebral Hemisphere and Related Disorders. 査読有り

    Toshiaki Taoka, Akio Fukuisumi, Toshiteru Miyasaka, Hisashi Kawai, Toshiki Nakane, Kimihiko Kichikawa, Shinji Naganawa

    Radiographics.   37 巻 ( 1 ) 頁: 281-297   2017年1月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  191. Endolymphatic hydrops in patients with unilateral and bilateral Meniere's disease.

    Kyoko Morimoto, Tadao Yoshida, Saiko Sugiura, Masahiro Kato, Ken Kato, Masaaki Teranishi, Shinji Naganawa, Tsutomu Nakashima, Michihiko Sone

    Acta Otolaryngol.   137 巻 ( 1 ) 頁: 23-28   2017年1月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  192. Emerging neuroradiological topics in journals from related societies 査読有り

    Korogi Yukunori, Naganawa Shinji

    JAPANESE JOURNAL OF RADIOLOGY   35 巻 ( 1 ) 頁: 1 - 2   2017年1月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1007/s11604-016-0600-0

    Web of Science

    PubMed

  193. Endolymphatic hydrops in patients with unilateral and bilateral Meniere's disease 査読有り

    Morimoto Kyoko, Yoshida Tadao, Sugiura Saiko, Kato Masahiro, Kato Ken, Teranishi Masaaki, Naganawa Shinji, Nakashima Tsutomu, Sone Michihiko

    ACTA OTO-LARYNGOLOGICA   137 巻 ( 1 ) 頁: 23 - 28   2017年1月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1080/00016489.2016.1217042

    Web of Science

    PubMed

  194. Visualization of Middle Ear Ossicles in Elder Subjects with Ultra-short Echo Time MR Imaging

    Naganawa Shinji, Nakane Toshiki, Kawai Hisashi, Taoka Toshiaki, Suzuki Kojiro, Iwano Shingo, Satake Hiroko, Grodzki David

    MAGNETIC RESONANCE IN MEDICAL SCIENCES   16 巻 ( 2 ) 頁: 93 - 97   2017年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.2463/mrms.mp.2015-0171

    Web of Science

    PubMed

  195. Gd-based Contrast Enhancement of the Perivascular Spaces in the Basal Ganglia

    Naganawa Shinji, Nakane Toshiki, Kawai Hisashi, Taoka Toshiaki

    MAGNETIC RESONANCE IN MEDICAL SCIENCES   16 巻 ( 1 ) 頁: 61 - 65   2017年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.2463/mrms.mp.2016-0039

    Web of Science

    PubMed

  196. Lack of Contrast Enhancement in a Giant Perivascular Space of the Basal Ganglion on Delayed FLAIR Images: Implications for the Glymphatic System 査読有り

    Naganawa Shinji, Nakane Toshiki, Kawai Hisashi, Taoka Toshiaki

    MAGNETIC RESONANCE IN MEDICAL SCIENCES   16 巻 ( 2 ) 頁: 89 - 90   2017年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.2463/mrms.ci.2016-0114

    Web of Science

    PubMed

  197. Detection of endolymphatic hydrops using traditional MR imaging sequences

    Naganawa Shinji, Sone Michihiko

    AMERICAN JOURNAL OF OTOLARYNGOLOGY   38 巻 ( 5 ) 頁: 637-638   2017年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    Web of Science

  198. Quantitative evaluation of interstitial pneumonia using 3D-curved high-resolution CT imaging parallel to the chest wall: A pilot study. 査読有り 国際誌

    Umakoshi H, Iwano S, Inoue T, Li Y, Naganawa S

    PloS one   12 巻 ( 9 ) 頁: e0185532   2017年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1371/journal.pone.0185532

    Web of Science

    PubMed

  199. Structure of the Medullary Veins of the Cerebral Hemisphere and Related Disorders 査読有り

    Taoka Toshiaki, Fukusumi Akio, Miyasaka Toshiteru, Kawai Hisashi, Nakane Toshiki, Kichikawa Kimihiko, Naganawa Shinji

    RADIOGRAPHICS   37 巻 ( 1 ) 頁: 280 - 296   2017年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1148/rg.2017160061

    Web of Science

    PubMed

  200. CSF Pulsation Artifacts on ADC Maps Obtained with Readout-segmented EPI

    Ohashi Toshio, Naganawa Shinji, Kanou Mai, Ikeda Mitsuru

    MAGNETIC RESONANCE IN MEDICAL SCIENCES   16 巻 ( 2 ) 頁: 123-128   2017年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.2463/mrms.mp.2016-0031

    Web of Science

  201. A multicenter survey of stage T1 glottic cancer treated with radiotherapy delivered in 2.25-Gy fractions in clinical practice: An initial 5-year analysis.

    Yoshiyuki Itoh, Seiji Kubota, Mariko Kawamura, Yoshihito Nomoto, Takayuki Murao, Kouji Yamakawa, Shunichi Ishihara, Naoki Hirasawa, Akiko Asano, Shigeo Yanagawa, Shinji Naganawa

    Nagoya J. Med. Sci.   78 巻 ( 4 ) 頁: 399-406   2016年12月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  202. Active brain changes after initiating fingolimod therapy in multiple sclerosis patients using individual voxel-based analyses for diffusion tensor imaging. 査読有り

    Joe Senda, Hirohisa Watanabe, Kuniyuki Endo, Keizo Yasui, Yasuhiro Hawsegawa, Noritaka Yoneyama, Takashi Tsuboi, Kazuhiro Hara, Mizuki Ito, Naoki Atsuta, Bagarinao Epifanio Jr, Masahisa Katsuno, Shinji Naganawa, Gen Sobue

    Nagoya J Med Sci.   78 巻 ( 4 ) 頁: 455-463   2016年12月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  203. Magnetic resonance imaging of cardiac sarcoidosis: an evaluation of the cardiac segments and layers that exhibit late gadolinium enhancement. 査読有り

    Tomohiro Komada, Kojiro Suzuki, Hiroaki Ishiguchi, Hisashi Kawai, Takahiro Okumura, Akihiro Hirashiki, Shinji Naganawa

    Nagoya J. Med. Sci.   78 巻   頁: 437-446   2016年11月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  204. Involvement of the caudate nucleus head and its networks in sporadic amyotrophic lateral sclerosis-frontotemporal dementia continuum.

    Michihito Masuda, Joe Senda, Hirohisa Watanabe, Bagarinao Epifanio, Yasuhiro Tanaka, Kazunori Imai, Yuchi Riku, Yuanzhe Li, Ryoichi Nakamura, Mizuki Ito, Shinsuke Ishigaki, Naoki Atsuta, Haruki Koike, Katsuno Masahisa, Nobutaka Hattori, Shinji Naganawa, Gen Sobue

    Amyotroph Lateral Scler Frontotemporal Degener.   17 巻 ( 7-8 ) 頁: 571-579   2016年10月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  205. Ⅳ ISMRMから読み解くMRI最新動向 1.臨床の視点から見たISMRM2016のトピックス―頭頸部領域を中心に

    長縄慎二

    INNERVISION   31 巻 ( 9 ) 頁: 66-68   2016年9月

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    担当区分:筆頭著者   記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  206. Impact of Thin-Section Computed Tomography-Determined Combined Pulmonary Fibrosis and Emphysema on Outcomes Among Patients With Resected Lung Cancer 査読有り

    Naozumi Hashimoto, Shingo Iwano, Koji Kawaguchi, Takayuki Fukui, Koichi Fukumoto, Shota Nakamura, Shunsuke Mori,Koji Sakamoto, Kenji Wakai, Kohei Yokoi, Yoshinori Hasegawa

    Ann Thorac Surg.   102 巻 ( 2 ) 頁: 440-447   2016年8月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  207. BOOK REVIEW:頭頸部の臨床画像診断学 改訂第3版

    長縄慎二

    画像診断   36 巻 ( 8 ) 頁: 799   2016年7月

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  208. Diffusion tensor studies and voxel-based morphometry of the temporal lobe to determine the cognitive prognosis in cases of Alzheimer's disease and mild cognitive impairment: Do white matter changes precede gray matter changes?

    Toshiaki Taoka, Fumihiko Yasuno, Masayuki Morikawa, Makoto Inoue, Kuniaki Kiuchi, Soichiro Kitamura, Kiwamu Matsuoka, Toshifumi Kishimoto, Kimihiko Kichikawa, Shinji Naganawa

    SpringerPlus.   5 巻 ( 1 ) 頁: 1023   2016年7月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  209. Evaluation of locoregional invasiveness of small-sized non-small cell lung cancers by enhanced dual-energy computed tomography. 査読有り

    Hironori Shimamoto, Shingo Iwano, Hiroyasu Umakoshi, Koji Kawaguchi, Shinji Naganawa

    Cancer Imaging.   16 巻 ( 1 ) 頁: 18   2016年7月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  210. Characterization of stochastic noise and post-irradiation density growth for reflective-type radiochromic film in therapeutic photon beam dosimetry. 査読有り

    Takeshi Kamomae, Masataka Oita, Naoki Hayashi, Motoharu Sasaki, Hideki Aoyama, Hiroshi Oguchi, Mariko Kawamura, Hajime Monzen, Yoshiyuki Itoh, Shiniji Naganawa

    Phys Med   32 巻   頁: 1314-1320   2016年7月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  211. Late Rectal Toxicity from Image-guided Intensity Modulated Radiotherapy for Prostate Cancer.

    Maki S, Itoh Y, Kubota S, Okada T, Nakahara R, Ito J, Kawamura M, Kamomae T, Naganawa S, Yoshino Y, Gotoh M, Ikeda M

    Anticancer Res.   36 巻 ( 6 ) 頁: 2967-2973   2016年6月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  212. Meniere's disease.

    Tsutomu Nakashima, Ilmari Pyykko, Megan A. Arroll, Margaretha L. Casselbrant, Carol A. Foster, Nauman F. Manzoor, Cliff A. Megerian, Shinji Naganawa, Yi Ho Young

    Nat Rev Dis Primers.     2016年5月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1038/nrdp.2016.28.

  213. Contrast-enhanced magnetic resonance pancreatography with gadoteridol by heavily T2-weighted three-dimensional fluid-attenuated inversion recovery: preliminary results in healthy subjects.

    Kojiro Suzuki, Shinji Naganawa, Naohiro Furuhashi, Masahiro Yamazaki, Hiroshi Ogawa and Hisashi Kawai

    Nagoya J. Med. Sci.   78 巻 ( 2 ) 頁: 175-181   2016年5月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  214. Application of histogram analysis for the evaluation of vascular permeability in glioma by the K2 parameter obtained with the dynamic susceptibility contrast method: Comparisons with Ktrans obtained with the dynamic contrast enhance method and cerebral blood volume.

    Toshiaki Taoka, Hisashi Kawai , Toshiki Nakane , Saeka Hori, Tomoko Ochi, Toshiteru Miyasaka, Masahiko Sakamoto, Kimihiko Kichikawa, Shinji Naganawa

    Magn Reson Imaging.   34 巻 ( 7 ) 頁: 896-901   2016年4月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  215. Comparison of the multidetector-row computed tomography findings of IgG4-related sclerosing cholangitis and extrahepatic cholangiocarcinoma.

    Yata Masaki, Suzuki Kojiro, Furuhashi Naohiro, Kawakami K, Kawai Y, Naganawa Shinji

    Clin Radiol.   71 巻 ( 3 ) 頁: 203-210   2016年3月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  216. Time Course of Diffusion Kurtosis in Cerebral Infarctions of Transient Middle Cerebral Artery Occlusion Rat Model.

    Toshiaki Taoka, Masayuki Fujioka, Yuto Kashiwagi, Atsushi Obata, Takemi Rokugawa, Masaaki Hori, Yoshitaka Masutani, Shigeki Aoki, Shinji Naganawa, Kohji Abe

    J Stroke Cerebrovasc Dis.   25 巻 ( 3 ) 頁: 610-617   2016年3月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  217. 非正規分布拡散画像の評価方法の開発

    田岡俊昭、長縄慎二、川井 恒

    脳とこころの研究センター 脳疾患克服に向けた次世代創訳開発のためのコホート・コンソーシアム型研究拠点形成 平成27年度活動報告書     頁: 32   2016年3月

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  218. Simple Estimation of the Endolymphatic Volume Ratio after Intravenous Administration of a Single-dose of Gadolinium Contrast.

    Shinji Naganawa, Mai Kanou, Toshio Ohashi, Kayao Kuno, Michihiko Sone

    Magn Reson Med Sci.     2016年3月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.2463/mrms.mp.2015-0175

  219. Cochlear Lymph Fluid Signal Increase in Patients with Otosclerosis after Intravenous Administration of Gadodiamide.

    Shinji Naganawa, Hisashi Kawai, Toshiaki Taoka, Kojiro Suzuki, Shingo Iwano, Hiroko Satake, Michihiko Sone, Mitsuru Ikeda

    Magn Reson Med.     2016年2月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.2463/mrms.mp.2015-0121

  220. 夢について

    長縄慎二

    健康文化   50 巻   頁: 77-79   2015年12月

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  221. White Matter Abnormality Correlates with Developmental and Seizure Outcomes in West Syndrome of Unknown Etiology.

    Jun Natsume, Chikako Ogawa, Tatsuya Fukasawa, Hiroyuki Yamamoto, Naoko Ishihara, Yoko Sakaguchi, Yuji Ito, Tomoya Takeuchi, Yoshiki Azuma, Naoki Ando, Tetsuo Kubota, Takeshi Tuji, Hisashi Kawai, Shinji Naganawa, Hiroyuki Kidokoro

    AJNR Am J Neuroradiol.     2015年11月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.3174/ajnr.A4589.

  222. Heavily T2-Weighted 3D-FLAIR Improves the Detection of Cochlear Lymph Fluid Signal Abnormalities in Patients with Sudden Sensorineural Hearing Loss.

    Shinji Naganawa, Hisashi Kawai, Toshiaki Taoka, Kojiro Suzuki, Shingo Iwano, Hiroko Satake, Michihiko Sone, Mitsuru Ikeda

    Magn Reson Med Sci.     2015年11月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.2463/mrms.mp.2015-0065

  223. Endolymphatic hydrops in superior canal dehiscence and large vestibular aqueduct syndromes.

    Michihiko Sone, Tadao Yoshida, Kyoko Morimoto , Masaaki Teranishi, Tsutomu Nakashima, Shinji Naganawa

    Laryngoscope.     2015年11月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1002/lary.25747.

  224. Changes in endolymphatic hydrops in patients with Ménière's disease treated conservatively for more than 1 year.

    Suga K, Kato M, Yoshida T, Nishio N, Nakada T, Sugiura S, Otake H, Kato K, Teranishi M, Sone M, Naganawa S, Nakashima T.

    Acta Otolaryngol.   135 巻 ( 9 ) 頁: 866-870   2015年9月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  225. Ⅷ ISMRMから読み解くMRI最新動向 1.臨床の視点から見たISMRM2015のトピックス 1)頭頸部領域

    長縄慎二

    INNERVISION   30 巻 ( 9 ) 頁: 63-65   2015年9月

     詳細を見る

    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  226. CASE OF THE MONTH―THE KEY TO Case of August―(8月号掲載のCASE OF THE MONTHの解答)

    岩野信吾、長縄慎二

    画像診断   35 巻 ( 12 ) 頁: 1442-1444   2015年9月

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  227. Evaluation of lung cancer by enhanced dual-energy CT: association between three-dimensional iodine concentration and tumour differentiation.

    Shingo Iwano, Rintaro Ito, Hiroyasu Umakoshi, Shinji Ito, Shinji Naganawa

    Br J Radiol.     頁: in press   2015年9月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1259/bjr.20150224

  228. How the Non-attending Brain Hears Its Owner's Name.

    Toshiki Nakane, Makoto Miyakoshi, Toshiharu Nakai, Shinji Naganawa

    Cereb Cortex.     頁: in press   2015年9月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1093/cercor/bhv184

  229. Correlation between FDG-PET/CT findings and solid type non-small cell cancer prognostic factors: are there differences between adenocarcinoma and squamous cell carcinoma?

    Rintaro Ito, Shingo Iwano, Mariko Kishimoto, Shinji Ito, Katsuhiko Kato, Shinji Naganawa

    Ann Nucl Med.     頁: in press   2015年9月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1007/s12149-015-1025-z

  230. A Randomized, Double-Blind Pilot Trial of Hydrolyzed Rice Bran versus Placebo for Radioprotective Effect on Acute Gastroenteritis Secondary to Chemoradiotherapy in Patients with Cervical Cancer.

    Yoshiyuki Itoh, Mika Mizuno, Mitsuru Ikeda, Rie Nakahara, Seiji Kubota, Junji Ito, Tohru Okada, Mariko Kawamura, Fumitaka Kikkawa, Shinji Naganawa

    Evidence-Based Complementary and Alternative Medicine.     頁: in press   2015年9月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: Article ID:974390

  231. Ossicular Anomaly and Endolymphatic Hydrops as Risk Factors for Complications after Ossiculoplasty. 査読有り

    Norihiko Inagaki, Tadao Yoshida, Michihiko Sone, Satofumi Sugimoto, Hironao Otake, Masaaki Teranishi, Shinji Naganawa, Tsutomu Nakashima

    Austin J Radiol   2 巻 ( 5 ) 頁: 1029   2015年8月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  232. CASE OF THE MONTH―THE KEY TO Case of July―(7月号掲載のCASE OF THE MONTHの解答)

    佐竹弘子、石垣聡子、長縄慎二

    画像診断   35 巻 ( 10 ) 頁: 1316-1318   2015年8月

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  233. CASE OF THE MONTH―CASE OF September―

    鈴木耕次郎、小川 浩、長縄慎二

    画像診断   35 巻 ( 10 ) 頁: 1315   2015年8月

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  234. 2.解剖・正常変異―部位別の鑑別診断―Q2.読影に必要な脳神経の解剖について簡単に教えてください。   

    長縄慎二

    画像診断   35 巻 ( 10 ) 頁: 1211-1213   2015年8月

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  235. Prediction of background parenchymal enhancement on breast MRI using mammography, ultrasonography, and diffusion-weighted imaging.

    Akiko Kawamura, Hiroko Satake, Satoko Ishigaki, Mitsuru Ikeda, Reiko Kimura, Kazuhiro Shimamoto and Shinji Naganawa

    Nagoya J Med Sci   77 巻 ( 3 ) 頁: 425-437   2015年8月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  236. Background parenchymal enhancement in preoperative breast MRI.

    Satoko Kohara, Satoko Ishigaki, Hiroko Satake, Akiko Kawamura, Hisashi Kawai, Toyone Kikumori and Shinji Naganawa

    Nagoya J Med Sci   77 巻 ( 3 ) 頁: 373-382   2015年8月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  237. Pancreatic neuroendocrine tumors containing areas of iso- or hypoattenuation in dynamic contrast-enhanced computed tomography: Spectrum of imaging findings and pathological grading. 査読有り

    Ryota Hyodo, Kojiro Suzuki, Hiroshi Ogawa, Tomohiro Komada, Shinji Naganawa

    Eur J Radiol.     2015年8月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1016/j.ejrad.2015.08.014.

  238. A phase I/II trial of intraoperative breast radiotherapy in an Asian population: 5-year results of local control and cosmetic outcome.

    Kawamura M, Itoh Y, Sawaki M, Kikumori T, Tsunoda N, Kamomae T, Kubota S, Okada T, Nakahara R, Ito J, Hayashi H, Naganawa S.

    Radiat Oncol.   10 巻 ( 150 )   2015年7月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1186/s13014-015-0469-6.

  239. CASE OF THE MONTH―CASE OF August―

    岩野信吾、長縄慎二

    画像診断   35 巻 ( 9 ) 頁: 1147   2015年7月

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  240. Stent-graft treatment for extrahepatic portal vein hemorrhage after pancreaticoduodenectomy.

    Suzuki K, Igami T, Komada T, Mori Y, Yokoyama Y, Ebata T, Naganawa S, Nagino M.

    Acta Radiol Open.   4 巻 ( 6 ) 頁: 1-4   2015年6月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  241. CASE OF THE MONTH―CASE OF July―

    佐竹弘子、石垣聡子、長縄慎二

    画像診断   35 巻 ( 8 ) 頁: 1007   2015年6月

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  242. Differentiation of focal-type autoimmune pancreatitis from pancreatic carcinoma: assessment by multiphase contrast-enhanced CT. 査読有り

    Naohiro Furuhashi, Kojiro Suzuki, Yusuke Sakurai, Mitsuru Ikeda, Yuichi Kawai, Shinji Naganawa

    Eur Radiol   25 巻 ( 5 ) 頁: 1366-1374   2015年5月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  243. 今後MRI診断はいかなる領域を拓いていくべきか

    長縄慎二

    新医療   486 巻 ( 6 ) 頁: 28-31   2015年5月

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  244. Cerumen impaction shown by brain magnetic resonance imaging in patients with cognitive impairment. 査読有り

    Tsutomu Nakashima, Saiko Sugiura, Shinji Naganawa, Minori Yasue, Yoshitaka Inui, Takeshi Sakurai, Yasue Uchida, Michihiko Sone, Masaaki Teranishi, Tadao Yoshida, Kengo Ito, Kenji Toba

    Geriatr Gerontol Int.     2015年5月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1111/ggi.12529.

  245. 乳がんにおける画像診断の最新トピックス

    石垣聡子、佐竹弘子、川井 恒、長縄慎二

    東海核医学セミナー症例集:2-5     頁: 2-5   2015年5月

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  246. Critical evaluation of a prospective study of concurrent chemoradiotherapy with s-1 for early glottic carcinoma. 査読有り

    Kana Kimura, Yoshiyuki Itoh, Tohru Okada, Rie Nakahara, Mariko Kawamura, Seiji Kubota, Junji Itoh, Mariko Hiramatsu, Yasushi Fujimoto, Takashi Shibata, Shinji Naganawa

    ANTICANCER RESEARCH.   35 巻 ( 4 ) 頁: 2385-2390   2015年4月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  247. 胆道癌の最新の画像診断 MDCT,EOM-MRI,PET(Recent advances in diagnostic imaging of biliary carcinoma: MDCT,EOB-MRI and PET)

    鈴木耕次郎、古橋尚博、小川 浩、長縄慎二

    消化器外科   38 巻 ( 5 ) 頁: 765-771   2015年4月

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  248. 胆管癌と胆管炎

    鈴木耕次郎、古橋尚博、小川 浩、長縄慎二

    画像診断   35 巻 ( 6 ) 頁: 699-711   2015年4月

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  249. アイソトープと核医学

    長縄慎二

    名古屋大学アイソトープ総合センターTRACER   57 巻   頁: 1-2   2015年3月

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    担当区分:筆頭著者   記述言語:日本語  

  250. 放射線科活動年次報告

    川井 恒、長縄慎二

    脳とこころの研究センター 脳疾患克服に向けた次世代創薬開発のためのコホート・コンソーシアム型研究拠点形成 平成26年度活動報告書     頁: 34   2015年3月

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  251. Ratio of Vestibular Endolymph in Patients with Isolated Lateral Semicircular Canal Dysplasia. 査読有り

    Shinji Naganawa, Hisashi Kawai, Michihiko Sone, Mitsuru Ikeda

    Magn Reson Med Sci.     2015年3月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.2463/mrms.2014-0112

  252. Volume Quantification of Endolymph after Intravenous Administration of a Single Dose of Gadolinium Contrast Agent: Comparison of 18- versus 8-minute Imaging Protocols. 査読有り

    Shinji Naganawa, Toshio Ohashi, Mai Kanou, Kayao Kuno, Michihiko Sone, Mitsuru Ikeda

    Magn Reson Med Sci.     2015年3月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.2463/mrms.2014-0118

  253. The Technical and Clinical Features of 3D-FLAIR in Neuroimaging. 査読有り

    Shinji Naganawa

    Magn Reson Med Sci.   14 巻 ( 2 ) 頁: 93-106   2015年3月

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    担当区分:筆頭著者   記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.2463/mrms.2014-0132

  254. 内耳の造影MRIによる内リンパ水腫画像                           -その撮像と評価について、いま放射線科医が知っておくべきこと- 査読有り

    長縄慎二

    画像診断    35 巻 ( 2 ) 頁: 278-289   2015年2月

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    担当区分:筆頭著者   記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  255. Patient with an SLC26A4 gene mutation who had low-frequency sensorineural hearing loss and endolymphatic hydrops 査読有り

    Tadao Yoshida, Michihiko Sone, Shinji Naganawa, Tsutomu Nakashima

    The Journal of Laryngology & Otology     頁: 1-3   2015年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  256. 健康づくり

    長縄慎二

    健康文化   49 巻   頁: 1   2014年12月

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    担当区分:筆頭著者   記述言語:日本語  

  257. 乳がんとマンモグラフィ

    長縄慎二

    名大病院 かわらばん     頁: 4   2014年10月

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    担当区分:筆頭著者   記述言語:日本語  

  258. 日常診療にすぐに役立つCT/MRIの基礎と活用法-中枢神経系疾患- 序論

    長縄慎二

    日獨医報   59 巻 ( 2 ) 頁: 4   2014年10月

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    担当区分:筆頭著者   記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  259. Ability of 18-fludeoxyglucose positron emission tomography/CT to detect incidental cancer. 査読有り

    Y Sone, A Sobajima, T Kawachi, S Kohara, K Kato, Shinji Naganawa

    Br J Radiol. (87) 1042   87 巻 ( 1042 )   2014年10月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1259/bjr.20140030.

  260. 私を変えたこの論文【14】

    長縄慎二

    臨床画像   30 巻 ( 10 ) 頁: 1158-1161   2014年10月

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    担当区分:筆頭著者   記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  261. 臨床の立場から見たISMRM2014のトピックス

    長縄慎二

    INNERVISION   29 巻 ( 9 ) 頁: 67-69   2014年9月

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  262. Quiet Suite 臨床編(2) qPETRA/qRESOLVEの使用経験と有用性

    川井 恒、長縄慎二

    INNERVISION   29 巻 ( 9 ) 頁: 46-47   2014年9月

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  263. 3D Real Inversion Recovery MR Imaging for the Visualization of Endolymphatic Hydrops. 査読有り

    Shinji Naganawa, M Sone

    AJNR Am J Neuroradiol.     2014年9月

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    担当区分:筆頭著者   記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.3174/ajnr.A4126

  264. VISUALIZATION OF BRAIN WHITE MATTER TRACTS USING HEAVILY T2-WEIGHTED THREE-DIMENSIONAL FLUID-ATTENUATED INVERSION-RECOVERY MAGNETIC RESONANCE IMAGING 査読有り

    Masahiro Yamazaki, Shinji Naganawa, Kiminori Bokura, Hisashi Kawai

    Nagoya J. Med. Sci. 76 No.3,4 285-291   76 巻 ( 3,4 ) 頁: 285-291   2014年8月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  265. Evaluation of 11C-choline PET/CT for primary diagnosis and staging of urothelial carcinoma of the upper urinary tract: a pilot study. 査読有り

    Naoto Sassa, Katsuhiko Kato, Shinji Abe, Shingo Iwano, Shinji Ito, Mitsuru Ikeda, Kazuhiro Shimamoto, Seiichi Yamamoto, Tokunori Yamamoto, Momokazu Gotoh, Shinji Naganawa

    Eur J Nucl Med Mol Imaging     2014年8月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1007/s00259-014-2871-y

  266. Endolymphatic space size in patients with vestibular migraine and Ménière's disease.

    Nakada T, Yoshida T, Suga K, Kato M, Otake H, Kato K, Teranishi M, Sone M, Sugiura S, Kuno K, Pyykkö I, Naganawa S, Watanabe H, Sobue G, Nakashima T

    J Neurol.     2014年8月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1007/s00415-014-7458-9

  267. 腫瘍性病変との鑑別が困難であった小児骨髄炎の1例

    伊藤倫太郎、中根俊樹、長縄慎二、濱 麻人、筑紫 聡、下山芳江

    映像情報Medical   46 巻 ( 6 ) 頁: 518-519   2014年6月

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  268. 内耳―3D-FLAIR法がもたらした新たな潮流

    長縄慎二

    INNERVISION 5月号     頁: 49-51   2014年4月

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  269. Visualization of white matter tracts using a non-diffusion weighted magnetic resonance imaging method: Does intravenous gadolinium injection four hours prior to the examination affect the visualization of white matter tracts?

    Masahiro Yamazaki, Shinji Naganawa, Hisashi Kawai, Mitsuru Ikeda, Kiminori Bokura, Haruo Isoda, Tsutomu Nakashima

    PLoS ONE   9 巻 ( 3 )   2014年3月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1371/journal.pone.0091860

  270. Retrospective Case Series of 15 Patients Treated with Chemoradiation Using 5-FU and Nedaplatin for Gynecological Malignancy: With Regard to Hemotoxicity.

    Yoshiyuki Itoh, Mitsuru Ikeda, Naoki Hirasawa, Shunichi Ishihara, Takahito Okuda, Takayuki Murao, Seiji Kubota, Tohru Okada, Shinji Naganawa, Takeo Ishigaki

    Nagoya Journal of Medical Science.   76 巻   頁: 11-16   2014年2月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  271. FDG-PET/CTで陰性所見を示した肺腫瘤性病変の検討

    岩野信吾、長縄慎二、伊藤信嗣、加藤克彦

    臨床放射線   59 巻 ( 1 ) 頁: 154-164   2014年1月

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  272. MRI and FDG-PET for Assessment of Response to Neoadjuvant Chemotherapy in Locally Advanced Rectal Cancer

    Toshisada Aiba, Keisuke Uehara, Takashi Nihashi, Toyonori Tsuzuki, Hiroshi Yatsuya, Yuichiro Yoshioka

    Ann Surg Oncol.   21 巻   頁: 1801-1808   2014年1月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  273. A phase I study of concurrent chemoradiotherapy using oral s-1 for head and neck cancer.

    Yasushi fujimoto, Satoshi Kato, Yoshiyuki Itoh, Shinji Naganawa, Tsutomu Nakashima

    ANTICANCER RESEARCH   34 巻   頁: 209-214   2014年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  274. Potential of a new MRI for visualizing cerebellar involvement in progressive supranuclear palsy.

    Kazuhiro Hara, Hirohisa Watanabe, Mizuki Ito, Takashi Tsuboi, Hazuki Watanabe, Ryoichi Nakamura, Jo Senda, Naoki Atsuta, Hiroaki Adachi, Ikuko Aiba, Shinji Naganawa, Gen Sobue

    Parkinsonism Relat Disord.   20 巻 ( 2 ) 頁: 157-161   2014年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  275. Clinical and radiological impact of liver transplantation for brain in cirrhosis patients without hepatic encephalopathy.

    Ishihara Tetsuro, Ito Mizuki, Niimi Yoshiki, Tsujimoto Masashi, Senda Jo, Kawai Yoshinari, Watanabe Hirohisa, Ishigami Masatoshi, Ito Takashi, Kamei Hideya, Onishi Yasuharu, Nakamura Taro, Goto Hidemi, Naganawa Shinji, Kiuchi Tetsuya, Sobue Gen.

    Clin Neurol Neurosurg. 2013 Nov;115(11):2341-7.   115 巻 ( 11 ) 頁: 2341-7   2013年11月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  276. 難聴を合併したMPO―ANCA 関連血管炎患者の3D―FLAIR MR 画像評価

    加藤 健、曾根三千彦、寺西正明、吉田忠雄、大竹宏直、中島 務、長縄慎二

    日本耳鼻咽喉科学会会誌   116 巻   頁: 1192-1199   2013年11月

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  277. Cortical and subcortical brain atrophy in Parkinson's disease with visual hallucination.

    Watanabe Hirohisa, Senda Jo, Kato Shigenori, Ito Mizuki, Atsuta Naoki, Hara Kazuhiro, Tsuboi Takashi, Katsuno Masahisa, Nakamura Tomohiko, Hirayama Masaaki, Adachi Hiroaki, Naganawa Shinji, Sobue Gen.

    Mov Disord.   28 巻 ( 12 ) 頁: 1732-6   2013年10月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  278. Endolymphatic hydrops revealed by magnetic resonance imaging in patients with acute low-tone sensorineural hearing loss.

    Shimono M, Teranishi M, Yoshida T, Kato M, Sano R, Otake H, Kato K, Sone M, Ohmiya N, Naganawa S, Nakashima T

    Otol Neurotol   34 巻 ( 7 ) 頁: 1241-6   2013年7月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  279. MRI進化への視点を示す 〈狭い、うるさい、長時間かかる〉果たしてMRIは優しくなれるか メーカーへの提言をふくめて

    長縄慎二

    新医療   462 巻 ( 6 ) 頁: 24-26   2013年6月

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    担当区分:筆頭著者   記述言語:日本語  

  280. Limited Efficacy of 18F-FDG PET/CT for Differentiation Between Metastasis-Free Pancreatic Cancer and Mass-Forming Pancreatitis.

    Kato K, Nihashi T, Ikeda M, Abe S, Iwano S, Itoh S, Shimamoto K, Naganawa S.

    Clin Nucl Med.   38 巻 ( 6 ) 頁: 417-21   2013年6月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  281. Comparison of Liquid Crystal Display Monitors Calibrated With Gray-Scale Standard Display Function and With γ 2.2 and iPad: Observer Performance in Detection of Cerebral Infarction on Brain CT.

    Yoshimura K, Nihashi T, Ikeda M, Ando Y, Kawai H, Kawakami K, Kimura R, Okada Y, Okochi Y, Ota N, Tsuchiya K, Naganawa S.

    AJR Am J Roentgenol.   200 巻 ( 6 ) 頁: 1304-1309.   2013年6月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  282. Three-dimensional Visualization of Endolymphatic Hydrops after Intravenous Administration of Single-dose Gadodiamide.

    Naganawa S, Yamazaki M, Kawai H, Bokura K, Sone M, Nakashima T.

    Magn Reson Med Sci.     頁: in press   2013年5月

     詳細を見る

    担当区分:筆頭著者   記述言語:英語   掲載種別:研究論文(学術雑誌)  

  283. Visualization of Endolymphatic Hydrops in Ménière's Disease after Intravenous Administration of Single-dose Gadodiamide at 1.5T.

    Naganawa S, Yamazaki M, Kawai H, Bokura K, Sone M, Nakashima T.

    Magn Reson Med Sci.     頁: in press   2013年5月

     詳細を見る

    担当区分:筆頭著者   記述言語:英語   掲載種別:研究論文(学術雑誌)  

  284. Relationship of Myocardial Fibrosis to Left Ventricular and Mitochondrial Function in Nonischemic Dilated Cardiomyopathy-A Comparison of Focal and Interstitial Fibrosis.

    Yamada T, Hirashiki A, Cheng XW, Okumura T, Shimazu S, Okamoto R, Shinoda N, Isobe S, Takeshita K, Naganawa S, Kondo T, Murohara T

    J Card Fail   19 巻 ( 8 ) 頁: 557-64   2013年5月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  285. Magnetic resonance imaging of the inner ear after both intratympanic and intravenous gadolinium injections.

    Iida T, Teranishi M, Yoshida T, Otake H, Sone M, Kato M, Shimono M, Yamazaki M, Naganawa S, Nakashima T

    Acta Otolaryngol   133 巻 ( 5 ) 頁: 434-8   2013年5月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  286. 18F-FDG-PET/CT predicts survival in hypopharyngeal squamous cell carcinoma.

    Suzuki H, Kato K, Fujimoto Y, Itoh Y, Hiramatsu M, Maruo T, Naganawa S, Hasegawa Y, Nakashima T.

    Ann Nucl Med.   27 巻 ( 3 ) 頁: 297-302   2013年4月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  287. Comparison of the central adrenal vein and the common trunk of the left adrenal vein for adrenal venous sampling.

    Takada A, Suzuki K, Mori Y, Hyodo R, Kawakami K, Okochi Y, Naganawa S.

    J Vasc Interv Radiol.   24 巻 ( 4 ) 頁: 550-7   2013年4月

     詳細を見る

    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  288. Comparison of the central adrenal vein and the common trunk of the left adrenal vein for adrenal venous sampling.

    Takada A, Suzuki K, Mori Y, Hyodo R, Kawakami K, Okochi Y, Naganawa S.

    J Vasc Interv Radiol.   24 巻 ( 4 ) 頁: 550-557   2013年4月

     詳細を見る

    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  289. Imaging of Ménière's disease after intravenous administration of single-dose gadodiamide: utility of multiplication of MR cisternography and HYDROPS image.

    NAGANAWA Shinji, YAMAZAKI Masahiro, KAWAI Hisashi, BOKURA Kiminori, SONE Michihiko, NAKASHIMA Tsutomu

    Magn Reson Med Sci   12 巻 ( 1 ) 頁: 63-68   2013年3月

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    担当区分:筆頭著者   記述言語:英語   掲載種別:研究論文(学術雑誌)  

  290. Pulmonary lobar volumetry using novel volumetric computer-aided diagnosis and computed tomography.

    Iwano S, Kitano M, Matsuo K, Kawakami K, Koike W, Kishimoto M, Inoue T, Li Y, Naganawa S.

    Interact Cardiovasc Thorac Surg.     頁: in press   2013年3月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  291. Endolymphatic hydrops revealed by magnetic resonance imaging in patients with atypical Meniere's disease.

    KATO Masahiro, SUGIURA Makoto, SHIMONO Mariko, YOSHIDA Tadao, OTAKE Hironao, KATO Ken, TERANISHI Masaaki, SONE Michihiko, YAMAZAKI Masahiro, NAGANAWA Shinji, NAKASHIMA Tsutomu

    Acta Otolaryngol   133 巻 ( 2 ) 頁: 123-129   2013年2月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  292. Planning of segmentectomy using three-dimensional computed tomography angiography with a virtual safety margin: Technique and initial experience.

    Iwano S, Yokoi K, Taniguchi T, Kawaguchi K, Fukui T, Naganawa S

    Lung Cance   81 巻 ( 3 ) 頁: 410-415   2013年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  293. Pulmonary lobar volumetry using novel volumetric computer-aided diagnosis and computed tomography.

    Iwano S, Kitano M, Matsuo K, Kawakami K, Koike W, Kishimoto M, Inoue T, Li Y, Naganawa S

    Interact Cardiovasc Thorac Surg     頁: in press   2013年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  294. 乳癌―広がり診断―

    佐竹弘子、石垣聡子、長縄慎二

    画像診断 33(9)   33 巻 ( 9 ) 頁: 1044-1051   2013年

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  295. second look US―切除範囲決定の実際―

    佐竹弘子、石垣聡子、長縄慎二

    臨床画像   29 巻 ( 11 ) 頁: 1292-1300   2013年

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  296. Doubling time calculations for lung cancer by three-dimensional computer-aided volumetry: Effects of inter-observer differences and nodule characteristics.

    Koike Wataru, Iwano Shingo, Matsuo Keiji, Kitano Mariko, Kawakami Kenichi, Naganawa Shinji

    J Med Imaging Radiat Oncol.     頁: DOI   2013年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: DOI

  297. (18)F-FDG-PET/CT predicts survival in hypopharyngeal squamous cell carcinoma.

    Hidenori Suzuki, Katsuhiko Kato, Yasushi Fujimoto, Yoshiyuki Itoh, Mariko Hiramatsu, Takashi Maruo, Shinji Naganawa, Yasuhisa Hasegawa, Tsutomu Nakashima

    Ann Nucl Med.   27 巻 ( 3 ) 頁: 297-302   2013年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  298. Clinical Evaluation of 12 Patients with Cervical Lymph Node Metastases from Squamous Cell Carcinoma of Unknown Primary: a Retrospective Review

    Nishiyama Kana, Itoh Yoshiyuki, Nakahara Rie, Asano Akiko, Okada Tohru, Kubota Seiji, Maki Sayo, Itoh Junji, Fujimoto Yasushi, Nakashima Tsutomu, Naganawa Shinji

    Austral-Asian Journal of Cancer   12 巻 ( 4 ) 頁: 275-283   2013年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  299. Evaluation of vascular activity in otosclerosis by laser Doppler flowmetry: comparison with computed tomographic densitometry.

    Sone Michihiko, Yoshida Tadao, Otake Hironao, Kato Ken, Teranishi Masaaki, Naganawa Shinji, Nakashima Tsutomu.

    Otol Neurotol.   34 巻 ( 9 ) 頁: 1559-63   2013年

     詳細を見る

    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  300. Cutting-edge MRI techniques for studying neurological diseases focusing on spinocerebellar degeneration.

      53 巻 ( 11 ) 頁: 1087-90   2013年

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  301. Clinical use of 11C-methionine and 18F-FDG-PET for germinoma in central nervous system.

    Yoshiyuki Okochi, Takashi Nihashi, Masazumi Fuji, Katsuhiko Kato, Yumiko Okada, Yoshio Ando, Satoshi Maesawa, Shigenori Takebayashi, Toshihiko Wakabayashi, Shinji Naganawa

    Ann Nucl Med.   24 巻   頁: DOI   2013年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  302. 神経疾患におけるMR撮像法の最先端:脊髄小脳変性症を中心に

    渡辺 宏久、千田 譲、伊藤 瑞規、熱田 直樹、原 一洋、渡辺 はづき、中村 亮一、坪井 崇、吉田 眞理、長縄 慎二、祖父江 元

    臨床神経学 2013;53(11):1087-90   53 巻 ( 11 ) 頁: 1087-90   2013年

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  303. Establishing Normal Diameter Range of the Cochlear and Facial Nerves with 3D-CISS at 3T.

    Rei Nakamichi, Masahiro Yamazaki, Mitsuru Ikeda, Haruo Isoda, Hisashi Kawai, Michihiko Sone, Tsutomu Nakashima, Shinji Naganawa

    Magn Reson Med Sci.   12 巻 ( 4 ) 頁: 241-247   2013年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  304. Semi-quantification of Endolymphatic Size on MR Imaging after Intravenous Injection of Single-dose Gadodiamide: Comparison between Two Types of Processing Strategies.

    Shinji Naganawa, Kojiro Suzuki, Rei Nakamichi, Kiminori Bokura, Tadao Yoshida, Michihiko Sone, Homann Georg, Tsutomu Nakashima, Mitsuru Ikeda

    Magn Reson Med Sci.   12 巻 ( 4 ) 頁: 261-269   2013年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  305. Imaging of Ménière's disease by subtraction of MR cisternography from positive perilymph image.

    NAGANAWA Shinji, YAMAZAKI Masahiro, KAWAI Hisashi, BOKURA Kiminori, SONE Michihiko, NAKASHIMA Tsutomu

    Magn Reson Med Sci   11 巻 ( 4 ) 頁: 303-309   2012年12月

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    担当区分:筆頭著者   記述言語:英語   掲載種別:研究論文(学術雑誌)  

  306. Gadolinium distribution in cochlear perilymph: differences between intratympanic and intravenous gadolinium injection.

    Yamazaki M, Naganawa S, Kawai H, Sone M, Nakashima T

    Neuroradiology   54 巻 ( 10 ) 頁: 1161-9   2012年10月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  307. Differentiation of newly diagnosed glioblastoma multiforme and intracranial diffuse large B-cell Lymphoma using 11C-methionine and 18F-FDG PET.

    Okada Y, Nihashi T, Fujii M, Kato K, Okochi Y, Ando Y, Yamashita M, Maesawa S, Takebayashi S, Wakabayashi T, Naganawa S

    Clin Nucl Med   37 巻 ( 9 ) 頁: 843-9   2012年9月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  308. Imaging of Ménière's disease after intravenous administration of single-dose gadodiamide: utility of subtraction images with different inversion time.

    NAGANAWA Shinji, YAMAZAKI Masahiro, KAWAI Hisashi, BOKURA Kiminori, SONE Michihiko, NAKASHIMA Tsutomu

    Magn Reson Med Sci   11 巻 ( 3 ) 頁: 213-219   2012年9月

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    担当区分:筆頭著者   記述言語:英語   掲載種別:研究論文(学術雑誌)  

  309. 臨床の立場から見たISMRM2012のトピックス

    長縄慎二

    INNERVISION   27 巻 ( 9 ) 頁: 71-72   2012年9月

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    担当区分:筆頭著者   記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  310. Peak width in multifrequency tympanometry and endolymphatic hydrops revealed by magnetic resonance imaging.

    Kato K, Yoshida T, Teranishi M, Sano R, Otake H, Sone M, Naganawa S, Nakashima T

    Otol Neurotol   33 巻 ( 6 ) 頁: 912-5   2012年8月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  311. Gadolinium distribution in cochlear perilymph: differences between intratympanic and intravenous gadolinium injection.

    YAMAZAKI Masahiro, NAGANAWA Shinji, KAWAI Hisashi, SONE Michihiko, NAKASHIMA Tsutomu

    Neuroradiology   54 巻 ( 10 ) 頁: 1161-1169   2012年8月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  312. MRI mean diffusivity detects widespread brain degeneration in multiple sclerosis

    SENDA JOE ,WATANABE HIROHISA,TSUBOI TAKASHI ,HARA KAZUHIRO,WATANABE HAZUKI ,NAKAMURA RYOICHI,ITO MIZUKI,ATSUTA NAOKI,TANAKA FUMIAKI,NAGANAWA SHINJI,SOBUE GEN

    Journal of the Neurological Sciences   319 巻 ( 1-2 ) 頁: 105-10   2012年8月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  313. Correlation between dynamic CT findings and pathological prognostic factors of small lung adenocarcinoma.

    IWANO SHINGO, KOIKE WATARU, MATSUO KEIJI, KITANO MARIKO, KAWAKAMI KENICHI, OKADA TOHRU, NAGANAWA SHINJI

    Cancer Imaging.   29 巻 ( 12 ) 頁: 187-93   2012年6月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  314. MRIを施設のアイコンにするための要件と課題を説く

    長縄慎二

    新医療   ( 6 ) 頁: 28-30   2012年6月

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    担当区分:筆頭著者   記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  315. Virtual Bronchoscopic Navigation(VBN)による気管支鏡下生検経路の診断精度

    岸本真理子、岩野信吾、長縄慎二

    映像情報メディカル   44 巻 ( 6 ) 頁: 602-603   2012年6月

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  316. Contrast enhancement of the inner ear in magnetic resonance images taken at 10 minutes or 4 hours after intravenous gadolinium injection.

    Sano R, Teranishi M, Yamazaki M, Isoda H, Naganawa S, Sone M, Hiramatsu M, Yoshida T, Suzuki H, Nakashima T

    Acta Otolaryngol   132 巻 ( 3 ) 頁: 241-246   2012年5月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  317. 急性感音難聴の新しい画像診断

    長縄慎二

    JOHNS   28 巻 ( 5 ) 頁: 747-750   2012年5月

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    担当区分:筆頭著者   記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  318. Comparison of contrast effect on the cochlear perilymph after intratympanic and intravenous gadolinium injection.

    YAMAZAKI MASAHIRO, NAGANAWA SHINJI, TAGAYA MITSUHIKO, KAWAI HISASHI, IKEDA MITSURU, SONE MICHIHIKO, TERANISHI MASAAKI, SUZUKI HIROKAZU, NAKASHIMA TSUTOMU

    AJNR Am J Neuroradiol   33 巻 ( 4 ) 頁: 773–78   2012年4月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  319. CT findings of intraductal papillary neoplasm of the bile duct: Assessment with multiphase contrast-enhanced examination using multi-detector CT.

    OGAWA HIROSHI,ITOH SHIGEKI,NAGASAKA TETSURO,SUZUKI KOJIRO,OTA TOYOHIRO,NAGANAWA SHINJI

    Clin Radiol   67 巻 ( 3 ) 頁: 224-231   2012年3月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  320. Audiological signs in pediatric cases with dehiscence of the bony labyrinth caused by a high jugular bulb.

    Michihiko Sone, Naomi Katayama, Shinji Naganawa, Tadao Yoshida, Masaaki Teranishi,Tsutomu Nakashima

    Int J Pediatr Otorhinolaryngol   76 巻 ( 3 ) 頁: 447-451   2012年3月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  321. Diffusion-weighted imaging of breast masses: comparison of diagnostic performance using various apparent diffusion coefficient parameters.

    HIRANO MAKI,SATAKE HIROKO,ISHIGAKI SATOKO,IKEDA MITSURU,KAWAI HISASHI,NAGANAWA SHINJI

    AJR Am J Roentgenol   198 巻 ( 3 ) 頁: 717-22   2012年3月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  322. 十二指腸乳頭部癌の画像診断-マルチスライスCTを中心に-

    高田章、鈴木耕次郎、石垣聡子、伊藤茂樹、長縄慎二

    胆と膵   33 巻 ( 3 ) 頁: 243-248   2012年3月

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  323. Estimation of I-123 IMP arterial blood activity using I-123 IMP acquisition data from the lungs and brain without any blood sampling: Validation of its usefulness for quantification of regional cerebral blood flow.

    ABE SHINJI, KATO KATSUHIKO, TAKAHASHI YOSHITAKE, FUJITA NAOTOSHI, YAMASHITA MASATO, SHINODA MASAKI, IKEDA MITSURU, OTA NAOTOSHI, KAJITA YASUKAZU, NAGANAWA SHINJI

    Clin Nucl Med   37 巻 ( 3 ) 頁: 258-263   2012年3月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  324. Imaging of Ménière's Disease after Intravenous Administration of Single-dose Gadodiamide: Utility of Subtraction Images with Different Inversion Time.

    Naganawa S, Yamazaki M, Kawai H, Bokura K, Sone M, Nakashima T.

    Magn Reson Med Sci   11 巻 ( 3 ) 頁: 213-9   2012年3月

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    担当区分:筆頭著者   記述言語:英語   掲載種別:研究論文(学術雑誌)  

  325. Imaging of endolymphatic and perilymphatic fluid after intravenous administration of single-dose gadodiamide.

    Naganawa S, Yamazaki M, Kawai H, Bokura K, Sone M, Nakashima T

    Magn Reson Med Sci   11 巻 ( 2 ) 頁: 145-50   2012年2月

     詳細を見る

    担当区分:筆頭著者   記述言語:英語   掲載種別:研究論文(学術雑誌)  

  326. 脳機能MR画像解析-3T MR装置における施設内及び施設間の再現性の検証-

    長縄慎二

    映像情報メディカル   44 巻 ( 1 ) 頁: 104-105   2012年1月

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    担当区分:筆頭著者   記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  327. 画像検査

    長縄慎二、中島 務

      30 巻 ( 1 ) 頁: 61-63   2012年1月

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    担当区分:筆頭著者   記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  328. Study of the Cost-Benefit Analysis of Electronic Medical Record Systems in General Hospital in China.

    Li K, Naganawa S, Wang K, Li P, Kato K, Li X, Zhang J, Yamauchi K.

    J Med Syst     頁: 10.1007   2012年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  329. Comparison of computed tomography and magnetic resonance imaging for evaluation of cholesteatoma with labyrinthine fistulae.

    Michihiko Sone, Tadao Yoshida, Shinji Naganawa, Hironao Otake, Ken Kato, Rui Sano, Masaaki Teranishi,Tsutomu Nakashima

        頁: 10.1002   2012年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  330. Estimation of perilymph enhancement after intrarympanic administration of Gd-DTPA by fast T1-mapping with dual flip angle 3D-spoiled gradient echo sequence 査読有り

    NAGANAWA SHINJI, MASAHIRO YAMAZAKI, KAWAI HISASHI, NAKASHIMA TSUTOMU

    Proc.Intl.Mag.Reson.Med     頁: .   2012年

     詳細を見る

    担当区分:筆頭著者   記述言語:英語   掲載種別:研究論文(学術雑誌)  

  331. MRI mean diffusivity detects widespread brain degeneration in multiple sclerosis

    SENDA JOE ,WATANABE HIROHISA,TSUBOI TAKASHI ,HARA KAZUHIRO,WATANABE HAZUKI ,NAKAMURA RYOICHI,ITO MIZUKI,ATSUTA NAOKI,TANAKA FUMIAKI,NAGANAWA SHINJI,SOBUE GEN

    Journal of the Neurological Sciences     頁: .   2012年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  332. Autoimmune pancreatitis: Assessment of the enhanced duct sign on multiphase contrast-enhanced computed tomography

    KAWAI YUICHI,SUZUKI KOJIRO,ITOH SHIGEKI,TAKADA AKIRA,MORI YOSHINE,NAGANAWA SHINJI

    European Journal of Radiology     頁: .   2012年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  333. 脳MRI から変性疾患の診断に迫る―病理,臨床の対比から―

    渡辺宏久、 吉田眞理、長縄慎二、祖父江元

      51 巻 ( 11 ) 頁: 863-864   2011年11月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  334. Contrast Enhancement of the Anterior Eye Segment and Subarachnoid Space: Detection in the Normal State by Heavily T(2)-weighted 3D FLAIR.

    NAGANAWA SHINJI,YAMAZAKI MASAHIRO,KAWAI HISASHI,SONE MICHIHIKO,NAKASHIMA TSUTOMU

    Magn Reson Med Sci   10 巻 ( 3 ) 頁: 193-199   2011年10月

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    担当区分:筆頭著者   記述言語:英語   掲載種別:研究論文(学術雑誌)  

  335. Foreign body granulomaと病理診断された腫瘤形成性膵炎の1例

    河合雄一、鈴木耕次郎、小川浩、太田豊裕、長縄慎二、伊藤茂樹、藤井努

    臨床放射線   56 巻 ( 10 ) 頁: 1250-1253   2011年10月

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  336. Anatomical Details of the Brainstem and Cranial Nerves Visualized by High Resolution Readout-segmented Multi-shot Echo-planar Diffusion-weighted Images using Unidirectional MPG at 3T.

    Naganawa S, Yamazaki M, Kawai H, Sone M, Nakashima T, Isoda H

    Magn Reson Med Sci   10 巻 ( 4 ) 頁: 269-275   2011年10月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  337. 側頭骨 (内耳、内耳道)

    長縄慎二

    画像診断 臨時増刊号   31 巻 ( 11 ) 頁: S108-S118   2011年9月

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    担当区分:筆頭著者   記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  338. 乳腺造影3T MRIの診断法と臨床的意義

    佐竹弘子、石垣聡子、木村麗子、川井 恒、長縄慎二

    INNERVISON   26 巻 ( 9 ) 頁: 82-86   2011年9月

     詳細を見る

    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  339. 臨床の立場から見たISMRM2011のトピックス-イメージングバイオマーカーとしての進歩・定量化を中心に

    長縄慎二

    INNERVISION   26 巻 ( 9 ) 頁: 57-59   2011年9月

     詳細を見る

    担当区分:筆頭著者   記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  340. Scattered radiation from dental metallic crowns in head and neck radiotherapy.

    Shimozato T, Igarashi Y, Itoh Y, Yamamoto N, Okudaira K, Tabushi K, Obata Y, Komori M, Naganawa S, Ueda M.

    Phys Med Biol.   56 巻 ( 17 ) 頁: 5525-5534   2011年8月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  341. Images of a Case of Carney Triad by Combined F-18 FDG PET/CT.

    KATO KATSUHIKO, KOIKE WATARU, IWANO SHINGO, USAMI NORIHIRO, YOKOI KOHEI, UEDA YUICHI, NAGANAWA SHINJI

    Clin Nucl Med   36 巻 ( 8 ) 頁: 698-700   2011年8月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  342. CTを利用した子宮頸癌腔内照射の治療システムの構築 画像誘導小線源治療に向けて

    平澤直樹、伊藤善之、久保田誠司、青山裕一、野口由美子、奥平訓康、中原理絵、牧 紗代、石原俊一、三宅良和、長縄慎二

    臨床放射線   56 巻 ( 7 ) 頁: 873-877   2011年7月

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  343. 普及型と研究型に棲み分けされるMRIの今後を示す

    長縄慎二

    新医療   438 巻 ( 6 ) 頁: 24-27   2011年6月

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    担当区分:筆頭著者   記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  344. Behavioral changes in early ALS correlate with voxel-based morphometry and diffusion tensor imaging

    TSUJIMOTO MASASHI,SENDA JO , ISHIHARA TETSURO, NIIMI YOSHIKI, KAWAI YOSHINARI, ATSUTA NAOKI,WATANABE HIROHISA, TANAKA FUMIAKI, NAGANAWA SHINJI, SOBUE GEN

    J Neurol Sci.   307 巻 ( 1-2 ) 頁: 34-40   2011年6月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  345. 乳癌に対する乳房部分切除後の放射線治療 術中照射を中心に

    石原俊一、伊藤善之、中原理絵、牧 紗代、久保田誠司、平澤直樹、長縄慎二、今井常夫、菊森豊根、澤木正孝、青山裕一、三宅良和

    臨床放射線   56 巻 ( 4 ) 頁: 501-510   2011年4月

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  346. Accuracy of 3.0 Tesla magnetic resonance imaging in the diagnosis of intracochlear schwannoma.

    YOSHIDA TADAO ,SONE MICHIHIKO,NAGANAWA SHINJI,NAKASHIMA TSUTOMU

    Auris Nasus Larynx   38 巻 ( 4 ) 頁: 551-554   2011年4月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  347. A comparative contrast perception phantom image of brain CT study between high-grade and low-grade liquid crystal displays (LCDs) in electronic medical charts

    YOSHIMURA KUMIKO, SHIMAMOTO KAZUHIRO , IKEDA MITSURU , ICHIKAWA KATSUHIRO , NAGANAWA SHINJIPhysica Medica

    Physica Medica   ( 27 ) 頁: 109-116   2011年4月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  348. Contrast-enhanced MRI of the inner ear after intratympanic injection of meglumine gadopentetate or gadodiamide hydrate.

    SUZUKI HIROKAZU,TERANISHI MASAAKI,NAGANAWA SHINJI,NAKATA SEIICHI,SONE MICHIHIKO,NAKASHIMA TSUTOMU

    Acta Otolaryngol   131 巻 ( 2 ) 頁: 130-135   2011年2月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  349. Visualization of Endolymphatic Hydrops after Intratympanic Injection of Gd-DTPA: Comparison of 2D and 3D Real Inversion Recovery Imaging.

    NAGANAWA SHINJI,SONE MICHIHIKO ,YAMAZAKI MASAHIRO,KAWAI HISASHI,NAKASHIMA TSUTOMU

    Magn Reson Med Sci.   10 巻 ( 2 ) 頁: 101-106   2011年2月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  350. Endolympathic hydrops in patients with vestibular schwannoma: visualization by non-contrast-enhanced 3D FLAIR.

    Naganawa S, Kawai H, Sone M, Nakashima T, Ikeda M

    Neuroradiology     2011年1月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: in press

  351. Predictive value for malignancy of suspicious breast masses of BI-RADS categories 4 and 5 using ultrasound elastography and MR diffusion-weighted imaging.

    SATAKE HIROKO,NISHIO AKIKO,IKEDA MITSURU, ISHIGAKI SATOKO, SHIMAMOTO KAZUHIRO, HIRANO MAKI, NAGANAWA SHINJI

    AJR Am J Roentgenol   196 巻 ( 1 ) 頁: 202-209   2011年1月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  352. Progressive and widespread brain damage in ALS: MRI voxel-based morphometry and diffusion tensor imaging study.

    Senda J, Kato S, Kaga T, Ito M, Atsuta N, Nakamura T, Watanabe H, Tanaka F, Naganawa S, Sobue G

    Amyotroph Lateral Scler   12 巻 ( 1 ) 頁: 59-56   2011年1月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  353. 特発性と考えられた陳旧性肝内血腫の1例

    鈴木耕次郎、森芳峰、長縄慎二、太田豊裕、伊藤茂樹、野本周嗣

    臨床放射線   56 巻   頁: 1098-1102   2011年

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  354. Comparison of contrast effect on the cochlear perilymph after intratympanic and intravenous gadolinium injection.

    YAMAZAKI MASAHIRO, NAGANAWA SHINJI, TAGAYA MITSUHIKO, KAWAI HISASHI, IKEDA MITSURU, SONE MICHIHIKO, TERANISHI MASAAKI, SUZUKI HIROKAZU, NAKASHIMA TSUTOMU

    AJNR Am J Neuroradiol     頁: .   2011年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  355. Segmentectomy Simulation using a Virtual Three-dimensional Safety Margin.

    IWANO SHINGO, USAMI NORIYASU, YOKOI KOHEI, NAGANAWA SHINJI

    Ann Thorac Surg     頁: in press   2011年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  356. 3D-CT Lung Volumetry Using Multidetector Row Computed Tomography: Pulmonary Function of Each Anatomic Lobe.

    IWANO SHINGO, OKADA TOHRU, SATAKE HIROKO, NAGANAWA SHINJI

    J Thorac Imaging     頁: .   2011年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  357. EARLY PREDICTION OF RESPONSE TO NEOADJUVANT CHEMOTHERAPY FOR LOCALLY ADVANCED BREAST CANCER USING MRI.

    KAWAMURA MARIKO, SATAKE HIROKO, ISHIGAKI SATOKO, NISHIO AKIKO, SAWAKI MASATAKA , NAGANAWA SHINJI

    Nagoya J Med Sci   73 巻 ( 3-4 ) 頁: 147-156   2011年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  358. Contrast enhancement of the inner ear after intravenous administration of a standard or double dose of gadolinium contrast agents.

    SUZUKI HIROKAZU, TERANISHI MASAAKI, SONE MICHIHIKO, YAMAZAKI MASAHIRO, NAGANAWA SHINJI, NAKASHIMATSUTOMU

    Acta Oto-Laryngologica   131 巻   頁: 1025-1031   2011年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  359. FDG-PET performed concurrently with initial I-131 ablation for differentiated thyroid cancer.

    Iwano Shingo, Kato Katsuhiko, Ito Shinji, Tsuchiya Kenichi, Naganawa Shinji

    Ann Nucl Med     頁: in press   2011年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  360. Association Between Endolymphatic Hydrops as Revealed by Magnetic Resonance Imaging and Caloric Response.

    KATO MASAHIRO, TERANISHI MASAAKI, KATAYAMA NAOMI, SONE MICHIHIKO, NAGANAWA SHINJI, NAKASHIMA TSUTOMU

    Otology & Neurotology   32 巻 ( 9 ) 頁: 1480-1485   2011年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  361. 3D-CT Lung Volumetry Using Multidetector Row Computed Tomography:Pulmonary Function of Each Anatomic Lobe.

    IWANO SHINGO, OKADA TOHRU, SATAKE HIROKO, NAGANAWA SHINJI

    J Thorac Imaging     頁: in press   2011年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  362. ここまでわかる耳鼻咽喉科MRI「内耳のMRI」

    中島務、長縄慎二

    MB ENT   122 巻   頁: 20-26   2010年12月

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  363. Magnetic resonance imaging of the inner ear in Meniere's disease.

    Ilmari Pyykk&ouml;; Jing Zou; Dennis Poe; Tsutomu Nakashima; Shinji Naganawa

    Otolaryngologic clinics of North America   43 巻 ( 5 ) 頁: 1059-1080   2010年10月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  364. パーキンソニズムを呈する疾患のMRI診断

    渡辺宏久、吉田眞理、饗場郁子、長縄慎二、祖父江元

    自律神経   47 巻 ( 5 ) 頁: 402-411   2010年10月

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  365. 臨床の立場からみたISMRMへのトピックスー7Tを中心とした国際的な動向について

    長縄慎二

      25 巻 ( 9 ) 頁: 62-62   2010年9月

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  366. CT findings in autoimmune pancreatitis: assessment using multiphase contrast-enhanced multisection CT.

    SUZUKI KOJIRO, ITOH SHIGEKI, NAGASAKA T, OGAWA HIROSHI, OTA TOYOHIRO, NAGANAWA SHINJI

    Clin Radiol   65 巻   頁: 735-743   2010年9月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  367. Diagnostic value of SPIO-mediated breath-hold, black-blood, fluid-attenuated, inversion recovery (BH-BB-FLAIR) imaging in patients with hepatocellular carcinomas.

    MATSUSHIMA MASAYA, NAGANAWA SHINJI, IKEDA MITSURU, ITOH SHIGEKI, OGAWA HIROSHI, KOMADA TOMOHIRO, ISHIGAKI SATOKO, KAWAI HISASHI, SUZUKI KOJIRO, SATAKE HIROKO, IWANO SHINGO

    Magn Reason Med Sci   9 巻 ( 2 ) 頁: 49-58   2010年9月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  368. Simultaneous three-dimensional visualization of the intra-parotid facial nerve and parotid duct using a three-dimensional reversed FISP sequence with diffusion weighting.

    NAGANAWA SHINJI, ISHIHARA SHUNICHI, SATAKE HIROKO, KAWAI HISASHI, SONE MICHIHIKO, NAKASHIMA TSUTOMU

    Magn Reson Med Sci   9 巻   頁: 153-158   2010年9月

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    担当区分:筆頭著者   記述言語:英語   掲載種別:研究論文(学術雑誌)  

  369. Increased sensitivity to low concentration gadolinium contrast by optimized heavily T2-weighted 3D-FLAIR to visualize endolymphatic space.

    NAGANAWA SHINJI, KAWAI HISASHI, SONE MICHIHIKO,NAKASHIMA TSUTOMU

    Magn Reson Med Sci   9 巻   頁: 73-80   2010年9月

     詳細を見る

    担当区分:筆頭著者   記述言語:英語   掲載種別:研究論文(学術雑誌)  

  370. Evaluation of 11C-choline PET/CT for primary diagnosis and staging of urothelial carcinoma of the upper urinary tract: a pilot study.

    Naoto Sassa, Katsuhiko Kato, Shinji Abe, Shingo Iwano, Shinji Ito, Mitsuru Ikeda, Kazuhiro Shimamoto, Seiichi Yamamoto, Tokunori Yamamoto, Momokazu Gotoh, Shinji Naganawa

    Eur J Nucl Med Mol Imaging     2010年8月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1007/s00259-014-2871-y

  371. 臨床に及ぼす画像診断機器の有用性と今後の展望

    医療機器システム白書   2010~2011 巻   頁: 16-20   2010年7月

     詳細を見る

    担当区分:筆頭著者   記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  372. Imaging findings in a case with cholesteatoma in complete aural atresia.

    Sone M, Naganawa S, Yoshida T, Nakata S, Nakashima T

    Am J Otolaryngol   31 巻 ( 4 ) 頁: 297-299   2010年7月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  373. 側頭骨領域の造影3T MRI

    長縄慎二

    INNERVISION   25 巻 ( 7 ) 頁: 6-10   2010年7月

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    担当区分:筆頭著者   記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  374. なぜ先進的病院が高磁場MRIを導入・稼動しなければならないのか

    長縄慎二

    新医療   6 巻   頁: 28-31   2010年6月

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  375. Radiotherapy with or without chemotherapy for patients with T1-T2 glottic carcinoma: retrospective analysis.

    HIRASAWA NAOKI, ITOH YOSHIYUKI ISHIHARA SHUNICHI, KUBOTA SEIJI, ITOH JUNJI, FUJIMOTO YASUSHI, NAKASHIMA TSUTOMU, NAGANAWA SHINJI

    Head Neck Oncol   2 巻 ( 20 )   2010年6月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  376. 早期声門癌に対する治療方針に関するアンケート調査 耳鼻科医を対象とした調査結果

    平澤直樹、伊藤善之、石原俊一、長縄慎二、鈴木一徳、野本由人、村尾豪之、堀川よしみ、小山一之、笹岡政宏、浅野晶子、小幡康範

    臨床放射線   55 巻   頁: 541-546   2010年5月

     詳細を見る

    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  377. White matter microstructure of the cingulum and cerebellar peduncle is related to sustained attention and working memory: A diffusion tensor imaging study.

    Takahashi M, Iwamoto K, Fukatsu H, Naganawa S, Iidaka T, Ozaki N

    Neurosci Lett   477 巻 ( 2 ) 頁: 72-76   2010年4月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  378. 第3回論文発表における学術研究成果報告のノウハウ

    長縄慎二

    映像情報Medical   42 巻 ( 3 ) 頁: 316-317   2010年3月

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    担当区分:筆頭著者   記述言語:日本語  

  379. Three-dimensional (3D) visualization of endolymphatic hydrops after intratympanic injection of Gd-DTPA: optimization of a 3D-real inversion-recovery turbo spin-echo (TSE) sequence and application of a 32-channel head coil at 3T.

    Shinji Naganawa, Shunichi Ishihara,Shingo Iwano,Michihiko Sone, Tsutomu Nakashima

    JOURNAL OF MAGNETIC RESONANCE IMAGING   31 巻   頁: 210-241   2010年1月

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    担当区分:筆頭著者   記述言語:英語   掲載種別:研究論文(学術雑誌)  

  380. Relationship between endolymphatic hydrops and vestibular-evoked myogenic potential.

    Katayama Naomi, Yamamoto Masako, Teranishi Masaaki, Naganawa Shinji, Nakata Seiichi, Sone Michihiko, Nakashima Tsutomu

    Acta Otolaryngol   130 巻 ( 8 ) 頁: 917-923   2010年1月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  381. Detection of presumed hemorrhage in the ampullar endolymph of the semicircular canal: a case report.

    Naganawa, Shinji; Ishihara, Shunichi; Iwano, Shingo; Sone, Michihiko; Nakashima, Tsutomu

    Magn Reson Med Sci   8 巻   頁: 187-191   2010年

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    担当区分:筆頭著者   記述言語:英語   掲載種別:研究論文(学術雑誌)  

    We examined a 61-year-old woman with sudden left-side hearing loss accompanied by severe vertigo. High signal in the ampullar endolymph of the left semicircular canal on magnetic resonance (MR) fluid attenuated inversion recovery (3D-FLAIR) images suggested labyrinthine hemorrhage. The patient had been treated for chronic heart failure and prescribed 100 mg/day of acetylsalicylic acid (aspirin) for its antiplatelet effect. The 3D-FLAIR images demonstrated a small amount of focal hemorrhage in the labyrinthine fluid that may have been overlooked on T(1)-weighted images.

  382. MR imaging of the Cochlear Modiolus after Intratympanic Administration of Gd-DTPA

    Hisashi Kawai, Shinji Naganawa, Shunichi Ishihara, Michihiko Sone, Tsutomu Nakashima

    Magn Reson Med Sci   9 巻 ( 1 ) 頁: 23-29   2010年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  383. Estimation of Gadolinium-induced T(1)-shortening with Measurement of Simple Signal Intensity Ratio between the Cochlea and Brain Parenchyma on 3D-FLAIR: Correlation with T(1) Measurement by TI Scout Sequence.

    Shinji Naganawa, Shunichi Ishihara,Shingo Iwano,Hisashi Kawai, Michihiko Sone, Tsutomu Nakashima

    Magn Reson Med Sci   9 巻 ( 1 ) 頁: 17-22   2010年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  384. 3 Tesla magnetic resonance imaging obtained 4 hours after intravenous gadolinium injection in patients with sudden deafness.

    Tagaya, Mitsuhiko; Teranishi, Masaaki; Naganawa, Shinji; Iwata, Tomoyuki; Yoshida, Tadao; Otake, Hironao; Nakata, Seiichi; Sone, Michihiko; Nakashima, Tsutomu

    Acta Otolaryngol   130 巻   頁: 665-669   2010年

     詳細を見る

    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  385. Signal Alteration of the Cochlear Perilymph on 3 Different Sequences after Intratympanic Gd-DTPA Administration at 3 Tesla:Comparison of 3D-FLAIR,3D-T1-weighted Imaging,and 3D-CISS.

    Yamazaki Masahiro,Naganawa Shinji,Kawai Hisashi,Nihashi Takashi,Nakashima Tsutomu

    Magn Reason Med Sci   9 巻 ( 2 ) 頁: 65-71   2010年

     詳細を見る

    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  386. Correlation between estimated glomerular filtration rate (eGFR) and apparent diffusion coefficient (ADC) values of the kidneys.

    Toya Reiko,Naganawa Shinji,Kawai Hisashi,Ikeda Mitsuru

    Magn Reson Med Sci   9 巻   頁: 59-64   2010年

     詳細を見る

    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  387. A comparative contrast perception phantom image of brain CT study between high-grade and low-grade liquid crystal displays (LCDs) in electronic medical charts.

    Yoshimura Kumiko, Shimamoto Kazuhiro, Ikeda Mitsuru, Ichikawa Katsuhiro, Naganawa Shinji

    Phys Med.   in press 巻   2010年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  388. Putaminal magnetic resonance imaging features at various magnetic field strengths in multiple system atrophy.

    Watanabe H, Ito M, Fukatsu H, Senda J, Atsuta N, Kaga T, Kato S, Katsuno M, Tanaka F, Hirayama M, Naganawa S, Sobue G

    Mov Disord   in press 巻   2010年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  389. Impact of adjustment measures on reducing outpatient waiting time in a community hospital: application of a computer simulation.

    Chen, Bai-lian; Li, En-dong; Yamawuchi, Kazunobu; Kato, Ken; Naganawa, Shinji; Miao, Wei-jun

    Chin Med J (Engl)   123 巻 ( 5 ) 頁: 574-580   2010年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  390. Relationship between the Degree of Endolymphatic Hydrops and Electrocochleography.

    Yamamoto M, Teranishi M, Naganawa S, Otake H, Sugiura M, Yamamoto Masako, Teranishi Masaaki, Naganawa Shinji, Otake Hironao, Sugiura Makoto, Iwata Tomoyuki, Yoshida Tadao, Katayama Naomi, Nakata Seiichi, Sone Michihiko, Nakashima Tsutomu

    Audiol Neurootol   15 巻   頁: 254-260   2010年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  391. Virtual bronchoscopy-guided transbronchial biopsy for aiding the diagnosis of peripheral lung cancer.

    Iwano Shingo, Imaizumi Kazuyozhi, Okada Tohru, Hasegawa Yoshinori, Naganawa Shinji

    Eur J Radiol   in press 巻   2010年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    The aim of this study was to evaluate the clinical value of virtual bronchoscopy (VB) in aiding diagnosis of peripheral lung cancer by transbronchial biopsy (TBB). In addition, we sought to systematically analyze the factors that affect the diagnostic sensitivity of VB-guided TBB for the evaluation of peripheral lung cancers. MATERIALS AND METHODS: A hundred and twenty-two peripheral lung cancers from 122 patients (82 men and 40 women, 38-84 years; median 68.5 years) who were performed VB-guided TBB were evaluated retrospectively. VB was reconstructed from 1- or 0.5-mm slice thickness images of multi-detector CT (MDCT). Experienced pulmonologists inserted the conventional and ultrathin bronchoscopes into the target bronchus under direct vision following the VB image. RESULTS: A definitive diagnosis was established by VB-guided TBB in 96 lesions (79%). The diagnostic sensitivity of small pulmonary lesions </=30mm in maximal diameter (71%) was significantly lower than that of lesions >30mm (91%, p=0.008). For small pulmonary lesions </=30mm (n=76), internal opacity of the lesion was the independent predictor of diagnostic sensitivity by VB-guided TBB, and the non-solid type lung cancers were significantly lower than the solid type and part-solid type lung cancers for diagnostic sensitivity (odds ratio=0.161; 95% confidence interval=0.033-0.780; p=0.023). CONCLUSION: Use of an ultrathin bronchoscope and simulation with VB reconstructed by high quality MDCT images is thought to improve pathological diagnosis of peripheral lung cancers, especially for solid and partly solid types. For small pulmonary lesions </=30mm, the lesion internal opacity is a significant factor for predicting the diagnostic sensitivity, and the sensitivity was low for small non-solid type of lung cancers.

  392. Correlation between pyramidal tract degeneration and widespread white matter involvement in amyotrophic lateral sclerosis: a study with tractography and diffusion-tensor imaging.

    Senda, Joe; Ito, Mizuki; Watanabe, Hirohisa; Atsuta, Naoki; Kawai, Yoshinari; Katsuno, Masahisa; Tanaka, Fumiaki; Naganawa, Shinji; Fukatsu, Hiroshi; Sobue, Gen

    Amyotroph Lateral Scler   10 巻   頁: 288-294   2009年12月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    Our aim was to evaluate the location and extent of white matter involvement in patients with amyotrophic lateral sclerosis (ALS) using diffusion-tensor magnetic resonance imaging (DTI). We obtained fractional anisotropy (FA) values from the internal capsule and various white matter regions of 46 patients with sporadic ALS and 19 control subjects. In ALS patients, FA values in the internal capsule, frontal white matter, genu and splenium of the corpus callosum (p<0.001), parietal and temporal lobe white matter, and posterior cingulum (p<0.05) were significantly lower than in controls. FA values in frontal white matter were lower than in parietal white matter (p<0.001). Decreased FA values in frontal, parietal, and temporal white matter, and the genu of the corpus callosum, correlated significantly with those in the internal capsule (r=0.66 and p<0.001, r=0.47 and p=0.001, r=0.33 and p=0.021, r=0.41 and p=0.005, respectively). No such correlations were found for FA values in other white matter areas or in controls. Patient FA values generally were not correlated with disease duration. DTI demonstrated more widespread involvement of the cerebral white matter in ALS patients than previously believed. The severity of involvement in the frontal, temporal and parietal white matter correlated with severity in the pyramidal tract.

  393. Endolymphatic space imaging in patients with delayed endolymphatic hydrops.

    Kasai Sachio; Teranishi Masaaki; Katayama Naomi; Sugiura Makoto; Nakata Seiichi; Sone Michihiko; Naganawa Shinji; Nakashima Tsutomu

    Acta Otolaryngol   129 巻   頁: 1163-1174   2009年11月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  394. 鼓室内ガドリニウム造影剤注入による内耳内リンパ水腫の可視化

    長縄慎二

    映像情報 medical   41 巻 ( 10 ) 頁: 967-1006   2009年9月

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    担当区分:筆頭著者   記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  395. Comparisons of I-123 diagnostic and I-131 post-treatment scans for detecting residual thyroid tissue and metastases of differentiated thyroid cancer.

    IWANO SHINGO,KATO KATSUHIKO, NIHASHI TAKASHI,ITO SHIGEKI, TACHI YASUSHI, NAGANAWA SHINJI

    Ann Nucl Med   2009 巻 ( sep ) 頁: 25   2009年9月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  396. Lymphoplasmacytic sclerosing cholangitis: assessment of clinical, CT, and pathological findings.

    Itoh Shigeki; Nagasaka T; Suzuki Koujiro; Satake Hiroko; Ota Toyohiro; Naganawa Shinji

    Clin Radiol   ( 64 ) 頁: 1104-1114   2009年9月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  397. MRIは画像診断の中心になっていくべき象徴的存在である

    長縄慎二

    月刊 新医療   416 巻 ( 8 ) 頁: 84-87   2009年8月

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    担当区分:筆頭著者   記述言語:日本語  

  398. Individual Differences in the Permeability of the Round Window: Evaluating the Movement of Intratympanic Gadolinium Into the Inner Ear.

    Yoshioka M, Naganawa S, Sone M, Nakata S, Teranishi M, Nakashima T

    Otol Neurotol   30 巻 ( 5 ) 頁: 645-648   2009年8月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  399. 3T MR

    長縄慎二

      2009 巻 ( 11 ) 頁: 151-160   2009年8月

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    担当区分:筆頭著者   記述言語:日本語  

  400. Increased signal intensity of the cochlea on pre- and post-contrast enhanced 3D-FLAIR in patients with vestibular schwannoma.

    Yamazaki M, Naganawa S, Kawai H, Nihashi T, Fukatsu H, Nakashima T

    Neuroradiology   in press 巻   2009年8月

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  401. Stenosis of the third portion of the duodenum due to bleeding from the anterior pancreaticoduodenal artery: assessment by multiphase contrast-enhanced examination with multislice CT.

    Itoh Shigeki, Mori Yoshine, Suzuki Koujiro, Satake Hiroko, Ota Toyohiro, Naganawa Shinji

    Abdom Imaging   in press 巻   2009年7月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  402. Stent-Graft Treatment for Bleeding Superior Mesenteric Artery Pseudoaneurysm After Pancreaticoduodenectomy.

    Suzuki K, Mori Y, Komada T, Matsushima M, Ota T, Naganawa S

    Cardiovasc Intervent Radiol.   32 巻 ( 4 ) 頁: 762-6   2009年7月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  403. MRIの’’今’’を知り、診断能を探る

    長縄慎二

    新医療   6 巻   頁: 36-39   2009年6月

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    担当区分:筆頭著者   記述言語:日本語  

  404. Image evaluation of endolymphatic space in fluctuating hearing loss without vertigo.

    Teranishi Masaaki, Naganawa Shinji, Katayama Naomi, Sugiura Makoto, Nakata Seiichi, Sone Michiko, Nakashima Tsutomu

    Eur Arch Otorhinolaryngol   266 巻 ( 12 ) 頁: 1871-1877   2009年5月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  405. 3D-CT volumetry of the lung using multidetector row CT: comparison with pulmonary function tests.

    Iwano, Shingo; Okada, Tohru; Satake, Hiroko; Naganawa, Shinji

    Acad Radiol   ( 16 ) 頁: 205-256   2009年3月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    RATIONALE AND OBJECTIVES: The aim of this study was to evaluate the accuracy of measurements of lung volumes reconstructed using three-dimensional computed tomographic (CT) imaging from thin-section multidetector-row CT images compared to standard pulmonary function testing. MATERIALS AND METHODS: Preoperative three-dimensional CT images and pulmonary function test results of 64 patients with solitary pulmonary nodules who were considered candidates for lung resection were reviewed. On the three-dimensional CT images, total lung capacity (TLC(CTV)), emphysematous lung capacity (ELC(CTV)), and normal lung capacity (NLC(CTV)) were calculated. Total lung capacity (TLC), vital capacity, and forced expiratory volume in 1 second were measured using spirometry. RESULTS: There was a strong positive correlation between estimated TLC(CTV) and measured TLC values (r = 0.87, P < .001). Estimated ELC(CTV) at the threshold value of -900 Hounsfield units was negatively correlated with forced expiratory volume in 1 second (r = -0.56, P < .001). NLC(CTV) values were more strongly correlated with vital capacity values than TLC(CTV) values (r = 0.74, P < .001). CONCLUSIONS: Lung volume calculated using three-dimensional CT volumetry was well correlated with lung volume measured using spirometry. Three-dimensional CT volumetry can be used to evaluate pulmonary function.

  406. 鼓室内Gd注入によるメニエール病患者における内リンパ水腫の描出:方法、解剖、所見そして臨床適応について

    長縄慎二

    INNERVISION   ( 2月 ) 頁: 60   2009年2月

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    担当区分:筆頭著者   記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  407. Changes in endolymphatic hydrops in a patient with Meniere's disease observed using magnetic resonance imaging

    Sone Michiko, Naganawa Shinji, Teranishi Masaaki, Nakata Seiichi, Katayama Naomi, Nakashima Tsutomu

    Auris Nasus Larynx   37 巻 ( 2 ) 頁: 220-222   2009年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  408. Endolymphatic Hydrops of the Labyrinth Visualized on Noncontrast MR Imaging: A Case Report.

    Naganawa, Shinji; Sone, Michihiko; Otake, Hironao; Nakashima, Tsutomu

    Magn Reson Med Sci   8 巻   頁: 43-46   2009年

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    担当区分:筆頭著者   記述言語:英語   掲載種別:研究論文(学術雑誌)  

  409. 乳腺領域におけるReal-time Virtual Sonography の臨床的有用性について

    佐竹弘子、西尾明子、石垣聡子、川村麻里子、長縄慎二

    Jpn J Med Ultrasonics   36 巻 ( 6 ) 頁: 669-678   2009年

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  410. Three-Dimensional Intravenous Digital Subtraction Angiography Using Flat Panel Detector System in Vascular Mapping of the External Carotid Artery: A Comparison with 3-Dimensional Computed Tomography Angiography.

    Yoshinori Tsutsumi, Kojiro Suzuki, Mitsuru Ikeda, Masataka Achiwa, Yoshine Mori, Masaya Matsushima, Satoko Ishigaki, Toyohiro Ota, Satoru Kondo, Kazuo Yoneda, Shinji Naganawa

    Current Medical Imaging Reviews   5 巻   頁: 216-221   2009年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  411. Computer-aided diagnosis of lung cancer: definition and detection of ground-glass opacity type of nodules by high-resolution computed tomography.

    Okada, Tohru; Iwano, Shingo; Ishigaki, Takeo; Kitasaka, Takayuki; Hirano, Yasushi; Mori, Kensaku; Suenaga, Yasuhito; Naganawa, Shinji

    Jpn J Radiol   27 巻   頁: 91-99   2009年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  412. Semi-automatic volumetric measurement of lung cancer using multi-detector CT effects of nodule characteristics.

    Iwano, Shingo; Okada, Tohru; Koike, Wataru; Matsuo, Keiji; Toya, Reiko; Yamazaki, Masahiro; Ito, Shinya; Ito, Junji; Naganwa, Shinji

    Acad Radiol   16 巻   頁: 1179-1186   2009年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  413. CT, MR

    長縄慎二

    脳神経外科エキスパート 頭蓋底     頁: 2-14   2009年

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    担当区分:筆頭著者   記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  414. A Phase I Study of Intraoperative Radiotherapy for Early Breast Cancer in Japan

    Masataka Sawaki , Shigenori Sato,Toyone Kikumori ,Shunichi Ishihara ,Yuichi Aoyama, Yoshiyuki Itoh ,Akimasa Nakao , Tsuneo Imai

    World J Surg   33 巻   頁: 2587-2593   2009年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  415. Communication between cochlear perilymph and cerebrospinal fluid through the cochlear modiolus visualized after intratympanic administration of Gd-DTPA.

    Naganawa, Shinji; Satake, Hiroko; Iwano, Shingo; Sone, Michihiko; Nakashima, Tsutomu

    Radiat Med   26 巻   頁: 597-602   2009年

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    担当区分:筆頭著者   記述言語:英語   掲載種別:研究論文(学術雑誌)  

  416. Cutting edge of inner ear MRI

    SHINJI NAGANAWA ,TSUTOMU NAKASHIMA

    Acta Oto-Laryngologica   129 巻   頁: 15-21   2009年

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    担当区分:筆頭著者   記述言語:英語   掲載種別:研究論文(学術雑誌)  

  417. Clinical significance of endolymphatic imaging after intratympanic gadolinium injection

    TSUTOMU NAKASHIMA, SHINJI NAGANAWA2, NAOMI KATAYAMA,MASAAKI TERANISHI, SEIICHI NAKATA, MAKOTO SUGIURA,MICHIHIKO SONE, SACHIO KASAI, MAYUMI YOSHIOKA& ASAKO YAMAMOTO

    Acta Oto-Laryngologica   129 巻   頁: 9-14   2009年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  418. Grading of endolymphatic hydrops using magnetic resonance imaging

    TSUTOMU NAKASHIMA, SHINJI NAGANAWA, ILMARI PYYKKO,WILLIAM P.R. GIBSON, MICHIHIKO SONE, SEIICHI NAKATA,MASAAKI TERANISHI

    Acta Oto-Laryngologica   129 巻   頁: 5-8   2009年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  419. Diagnostic Whole-Body Scanning Before Radioiodine Therapy for Pulmonary Metastases of Diffrentiated Thyroid Cancer. Predictve Value and Recommendations.

    Tachi Y, Iwano S, Kato K, Tadokoro M, Naganawa S

    Clin Nucl Med   33 巻 ( 12 ) 頁: 845-851   2008年12月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  420. Endovascular Management of Ruptured Pancreaticoduodenal Artery Aneurysms Associated with Celiac Axis Stenosis.

    Suzuki K, Tachi Y, Ito S, Maruyama K, Mori Y, Komada T, Matsushima M, Ota T, Naganawa S

    Cardiovasc Intervent Radiol   31 巻 ( 6 ) 頁: 1082-7   2008年11月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    The purpose of this study was to assess the efficacy of transcatheter arterial embolization for ruptured pancreaticoduodenal artery (PDA) aneurysms associated with celiac axis stenosis (CS). Seven patients (four men and three women; mean age, 64; range, 43-84) were treated with transcatheter arterial embolization between 2002 and 2007. They were analyzed with regard to the clinical presentation, radiological finding, procedure, and outcome. All patients presented with sudden epigastric pain or abdominal discomfort. Contrast-enhanced CT showed a small aneurysm and retroperitoneal hematoma around the pancreatic head in all patients. The aneurysms ranged from 0.3 to 0.9 cm in size. In one patient, two aneurysms were detected. The aneurysms were located in the pancreaticoduodenal artery (n = 5) and the dorsal pancreatic artery (n = 3). Embolization was performed with microcoils in all aneurysms (n = 8). N-Butyl 2-cyanoacrylate (n = 1) and gelatine particle (n = 1) were also used. Complete occlusion was achieved in four patients. In the other three patients, a significantly reduced flow to the aneurysm remained at final angiography. However, these aneurysms were thrombosed on follow-up CT within 2 weeks. And there was no recurrence of the symptoms and bleeding during follow-up (mean, 28 months; range, 5-65 months) in all patients. In conclusion, transcatheter arterial embolization for PDA aneurysms associated with CS is effective. Significant reduction of the flow to the aneurysm at final angiography may be predictive of future thrombosis.

  421. Arteriovenous malformation of the pancreas: assessment of clinical and multislice CT features.

    Ogawa H, Itoh S, Mori Y, Suzuki K, Ota T, Naganawa S

    Abdom Imaging.   Epub ahead of print 巻   2008年10月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  422. 特集 地方会を考えるー地方会の意義;中部の場合ー

    長縄慎二

      166 巻   頁: 8-9   2008年9月

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    記述言語:日本語  

  423. Three-Dimensional Fluid-Attenuated Inversion Recovery Magnetic Resonance Imaging Findings and Prognosis in Sudden Sensorineural Hearing Loss.

    Yoshida T, Sugiura M, Naganawa S, Teranishi M, Nakata S, Nakashima T.

    Laryngoscope   118 巻 ( 8 ) 頁: 1433-7   2008年8月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  424. Imaging analysis in cases with inflammation-induced sensorineural hearing loss.

    Sone Michiko, Mizuno Terukazu, Naganawa Shinji, Nakashima Tsutomu

    Acta Otolaryngol   8 巻   頁: 1-5   2008年8月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  425. Focal inflammation in the embryological ventral pancreas: assessment using CT and MRI.

    Itoh, S; Suzuki, K; Kawai, H; Naganawa, S

    Clin Radiol   63 巻   頁: 433-441   2008年4月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  426. Cognitive impairments in multiple system atrophy: MSA-C vs MSA-P.

    Kawai, Y; Suenaga, M; Takeda, A; Ito, M; Watanabe, H; Tanaka, F; Kato, K; Fukatsu, H; Naganawa, S; Kato, T; Ito, K; Sobue, G

    Neurology   70 巻   頁: 1390-1396   2008年4月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    We evaluated comprehensive neuropsychological tests and regional brain blood flow to compare cognitive dysfunction between two types of multiple system atrophy: predominant cerebellar ataxia (MSA-C) and predominant parkinsonism (MSA-P). METHODS: Twenty-one patients with MSA-C, 14 patients with MSA-P, and 21 age- and education-matched control subjects were subjected to neuropsychological tests and SPECT. The neuropsychological tests examined general cognition, verbal and visual memory, working memory, visuospatial and constructional ability, language, executive function, depression, and anxiety, while SPECT analysis examined brain perfusion. RESULTS: Patients with MSA-P showed severe involvement of visuospatial and constructional function, verbal fluency, and executive function compared with control subjects. Patients with MSA-C showed involvement only in visuospatial and constructional function compared with control subjects and a milder degree of involvement compared with patients with MSA-P. Patients with MSA-P tended toward a wide and severe impairment in cognitive function compared with patients with MSA-C. In addition, neuropsychological impairment in patients with MSA-P was significantly correlated with a decrease in prefrontal perfusion. This significant relation was not correlated to other factors such as age, education, and severity of cerebellar ataxia and parkinsonism, which are relevant factors associated with cognitive performance. CONCLUSIONS: Patients with multiple system atrophy-parkinsonism show more severe and more widespread cognitive dysfunctions than patients with multiple system atrophy-cerebellar ataxia. Our results also indicate that cognitive dysfunction in patients with multiple system atrophy-parkinsonism may be associated with prefrontal involvement.

  427. *Separate visualization of endolymphatic space, perilymphatic space and bone by a single pulse sequence; 3D-inversion recovery imaging utilizing real reconstruction after intratympanic Gd-DTPA administration at 3 Tesla.

    Naganawa S, Satake H, Kawamura M, Fukatsu H, Sone M, Nakashima T

    Eur Radiol   18 巻 ( 5 ) 頁: 920-924   2008年3月

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    担当区分:筆頭著者   記述言語:英語   掲載種別:研究論文(学術雑誌)  

  428. *Imaging of Endolymphatic and Perilymphatic Fluid at 3T After Intratympanic Administration of Gadolinium-Diethylene-Triamine Pentaacetic Acid.

    Naganawa S, Sugiura M, Kawamura M, Fukatsu H, Sone M, Nakashima T

    AJNR Am J Neuroradiol   29 巻 ( 4 ) 頁: 724-726   2008年1月

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    担当区分:筆頭著者   記述言語:英語   掲載種別:研究論文(学術雑誌)  

    SUMMARY: By optimizing the inversion time of a 3D inversion-recovery turbo spin-echo sequence at 3T, we obtained separate images of endolymphatic and perilymphatic space 24 hours after intratympanic administration of gadolinium contrast material. In patients with Meniere disease, endolymphatic hydrops were detected not only in the cochlea but also in the vestibule. Fusion of the 2 types of images visualized the entire fluid space of the labyrinth and the spatial relationship of the 2 spaces.

  429. Arterial Spin Labeling(syngo ASL) Case Report from Nagoya University

    Shinji Naganawa

    MAGNETON Flash     頁: 26-33   2008年1月

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    担当区分:筆頭著者   記述言語:英語   掲載種別:研究論文(学術雑誌)  

  430. Neuroendocrine tumor in the breast.

    Ogawa H, Nishio A, Satake H, Naganawa S, Imai T, Sawaki M, Yamamoto E, Miyata T.

    Radiat Med   26 巻 ( 1 ) 頁: 28-32   2008年1月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    A 34-year-old woman with a past history of a carcinoid tumor in the right ovary presented with a right breast mass found on contrast-enhanced computed tomography (CT) of the chest. She was asymptomatic, and her blood tests were normal. The mass measured about 2 cm. Mammography showed a lobular, circumscribed, high-density mass without microcalcifications in the upper outer quadrant of the right breast. Ultrasonography showed an irregular mass with both hypoechoic and hyperechoic components with increased vascularity. The mass was well enhanced on contrast-enhanced CT and dynamic magnetic resonance imaging. At the same time, a well-enhanced small nodule was detected in the pouch of Douglas. Both of the tumors were resected, and a primary breast neuroendocrine tumor (solid neuroendocrine carcinoma) and peritoneal dissemination of the ovarian carcinoid tumor were diagnosed.

  431. Development and evaluation of a novel lossless image compression method (AIC: artificial intelligence compression method) using neural networks as artificial intelligence.

    Fukatsu, Hiroshi; Naganawa, Shinji; Yumura, Shinnichiro

    Radiat Med   26 巻   頁: 120-128   2008年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  432. 内耳MRIの最前線

    長縄慎二

    臨床放射線 vol.53 No.11   23 巻 ( 11 ) 頁: 1324-1333   2008年

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  433. Imaging endolymphatic hydrops at 3 tesla using 3D-FLAIR with intratympanic Gd-DTPA administration.

    Naganawa, Shinji; Satake, Hiroko; Iwano, Shingo; Fukatsu, Hiroshi; Sone, Michihiko; Nakashima, Tsutomu

    Magn Reson Med Sci   7 巻   頁: 85-91   2008年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  434. Intraductal papillary mucinous neoplasm of the pancreas: assessment of the likelihood of invasiveness with multisection CT.

    Ogawa, Hiroshi; Itoh, Shigeki; Ikeda, Mitsuru; Suzuki, Kojiro; Naganawa, Shinji

    Radiology   248 巻   頁: 876-886   2008年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  435. Three-dimensional fluid-attenuated inversion recovery magnetic resonance imaging investigation of inner ear disturbances in cases of middle ear cholesteatoma with labyrinthine fistula

    Sone M, Mizuno T, Sugiura M, Naganawa S, Nakashima T.

    Otol Neurotol.   28 巻 ( 8 ) 頁: 1029-33   2007年12月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    To investigate the cause of inner ear disturbances in cases of middle ear cholesteatoma with labyrinthine fistula. SETTING: University hospital. STUDY DESIGN: Prospective case study. PATIENTS: Eight patients who were scheduled to undergo surgery for middle ear cholesteatoma with labyrinthine fistula were included in this study. INTERVENTION: Imaging analysis was performed using a 3-dimensional fluid-attenuated inversion recovery (FLAIR) magnetic resonance imaging sequence. MAIN OUTCOME MEASURES: Three-dimensional FLAIR findings were compared with clinical symptoms associated with inner ear disturbance and surgical observations of the fistula. RESULTS: Three-dimensional FLAIR in 6 patients revealed areas of high signal intensity in the inner ears on the affected sides and areas with increased signal after the administration of gadolinium, especially in cases accompanied by acute sensorineural hearing loss. These images were considered to be indicative of breakdown of the blood-labyrinth barrier due to middle ear cholesteatoma. This finding was also present in a patient with no clinical symptoms of inner ear disturbances. CONCLUSION: Three-dimensional FLAIR images of the inner ear are valuable in evaluating labyrinthine fistula in patients with cholesteatoma. Future studies are needed to better understand the role of 3-dimensional FLAIR in predicting the severity of inner ear disturbance.

  436. Vestibular aqueduct in sudden sensorineural hearing loss

    Sugiura M, Naganawa S, Ishida IM, Teranishi M, Nakata S, Yoshida T, Nakashima T

    J Laryngol Otol   26 巻   頁: 1-6   2007年11月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    To evaluate the vestibular aqueduct in patients with sudden sensorineural hearing loss.Methods:We evaluated 19 patients (12 men and seven women; age range, 22-79 years) with unilateral sudden sensorineural hearing loss, using computed tomography and magnetic resonance imaging. All these patients had unilateral sudden sensorineural hearing loss. We also evaluated 47 control subjects (22 men and 25 women; age range, 22-79 years).Results:In sensorineural hearing loss affected ears, the width of the vestibular aqueduct at the midpoint and at the operculum was significantly greater than that in contralateral ears or in control ears. The width of the vestibular aqueduct at the midpoint and the operculum did not correlate with the audiometric threshold or the audiogram configuration. Contrast enhancement of the ipsilateral endolymphatic sac was observed in 17 of 19 patients with sudden sensorineural hearing loss (89 per cent). Eleven of these 17 patients also showed enhancement on the contralateral side, but no patient showed enhancement only on the contralateral side. In sensorineural hearing loss affected ears, the width of the vestibular aqueduct did not differ significantly between those patients with and without enhancement.Conclusions:The vestibular aqueducts of sudden sensorineural hearing loss affected ears are wider than those of controls. Precise imaging and evaluation of the inner ear is essential when investigating the pathological conditions responsible for sudden sensorineural hearing loss.

  437. RVS(Real-time Virtual Sonography)技術の乳腺領域への応用

    佐竹弘子、西尾明子、石垣聡子、福原理恵子、島本佳寿広、今井常夫、小田高司、菊森豊根、澤木正孝、長縄慎二

    乳癌の臨床   22 巻 ( 5 ) 頁: 438(86)-439(87)   2007年10月

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  438. Comparison of 18F-FDG PET and bone scintigraphy in detection of bone metastasesof thyroid cancer. 査読有り

    Ito S, Kato K, Ikeda M, Iwano S, Makino N, Tadokoro M, Abe S, Nakano S,Nishino M, Ishigaki T, Naganawa S.

    J Nucl Med.   48 巻 ( 6 ) 頁: 889-895   2007年6月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  439. Usefulness of FDG PET for diagnosis and radiotherapy of the patient with malignant lymphoma involving bone marrow. 査読有り

    Nihashi, Takashi; Hayasaka, Kazumasa; Itou, Toshihide; Sobajima, Takashi; Kato, Rikio; Ito, Kengo; Ito, Yoshiyuki; Ishigaki, Takeo; Naganawa, Shinji

    Radiat Med   25 巻 ( 3 ) 頁: 130-4   2007年4月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    We experienced a case of relapsed malignant lymphoma with multiple bone marrow or bone lesions. The case was diagnosed as follicular lymphoma by cytological biopsy of the right iliac bone, with (67)Ga scintigraphy showing abnormal, intense uptake in multiple bones. After about 10 months of systemic chemotherapy, a relapse was suspected because of pain in the bilateral legs and a high level of lactate dehydrogenase. Assessment of the lesions in the patient was difficult by computed tomography because the affected sites were localized mainly in the bone marrow. (18)F-Fluorodeoxyglucose (FDG) positron emission tomography (PET) was useful for detecting accurately the relapse sites in the bone marrow and enabled us to determine the field for radiotherapy. There are only a few reports of FDG-PET findings for such bone marrow malignant lymphomas. Therefore, we report the findings of FDG-PET for this case and review some of the literature about bone marrow lymphomas.

  440. Usefulness of combined fractional anisotropy and apparent diffusion coefficient values for detection of involvement in multiple system atrophy. 査読有り

    Ito, Mizuki; Watanabe, Hirohisa; Kawai, Yoshinari; Atsuta, Naoki; Tanaka, Fumiaki; Naganawa, Shinji; Fukatsu, Hiroshi; Sobue, Gen

    J Neurol Neurosurg Psychiatry   78 巻   頁: 722-728   2007年3月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    OBJECTIVE: To determine whether apparent diffusion coefficient (ADC) values and fractional anisotropy (FA) values can detect early pathological involvement in multiple system atrophy (MSA), and be used to differentiate MSA-P (multiple system atrophy if parkinsonian features predominate) from Parkinson's disease (PD). METHODS: We compared ADC and FA values in the pons, cerebellum and putamen of 61 subjects (20 probable MSA patients, 21 age matched PD patients and 20 age matched healthy controls) using a 3.0 T magnetic resonance system. RESULTS: ADC values in the pons, cerebellum and putamen were significantly higher, and FA values lower in MSA than in PD or controls. These differences were prominent in MSA lacking dorsolateral putaminal hyperintensity (DPH) or hot cross bun (HCB) sign. In differentiating MSA-P from PD using FA and ADC values, we obtained equal sensitivity (70%) and higher specificity (100%) in the pons than in the putamen and cerebellum. In addition, all patients that had both significant low FA and high ADC values in each of these three areas were MSA-P cases, and those that had both normal FA and ADC values in the pons were all PD cases. Our diagnostic algorithm based on these results accurately diagnosed 90% of patients with MSA-P. CONCLUSION: FA and ADC values detected early pathological involvement prior to magnetic resonance signal changes in MSA. In particular, low FA values in the pons showed high specificity in discriminating MSA-P from PD. In addition, combined analysis of both FA and ADC values in all three areas was more useful than only one.

  441. *Visualization of endolymphatic hydrops in patients with Meniere's disease. 査読有り

    Nakashima T, Naganawa S, Sugiura M, Teranishi M, Sone M, Hayashi H, Nakata S, Katayama N, Ishida IM

    Laryngoscope   117 巻 ( 3 ) 頁: 415-420   2007年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    OBJECTIVE: Recently, there have been many reports of intratympanic gentamicin therapy for the treatment of intractable Meniere's disease. Intratympanic administration of steroids has also been used to treat sudden sensorineural hearing loss. We attempted to visualize how the intratympanically administered drug enters the inner ear. METHODS: Gadolinium hydrate diluted eightfold with saline was injected intratympanically through the tympanic membrane using a 23 G needle in nine patients with inner ear diseases. With a 3 Tesla magnetic resonance imaging (MRI) unit, three-dimensional fluid-attenuated inversion recovery (3D-FLAIR) imaging was performed. RESULTS: 3D-FLAIR MRI clearly revealed that the gadolinium entered the perilymphatic space and delineated the perilymphatic and endolymphatic spaces of the inner ear. In patients with endolymphatic hydrops, the perilymphatic space surrounding the endolymph was small or had disappeared. Gadolinium appeared first in the scala tympani of the basal turn of the cochlea and the perilymphatic space of the vestibule. One day after the intratympanic injection of gadolinium, the gadolinium was observed in almost all parts of the perilymph. Six days after the intratympanic injection, the gadolinium had almost disappeared from the inner ear. CONCLUSION: We reported the first visualization of endolymphatic hydrops in patients with Meniere's disease. The relationship between the image of the endolymphatic space and functional tests, such as electrocochleography and vestibular-evoked myogenic potential, must be examined in the near future. It is important for the development of intratympanic drug therapies for inner-ear diseases to investigate how the drugs enter and leave the inner ear.

  442. 3D-FLAIR MRI findings in a patient with Ramsay Hunt syndrome. 査読有り

    Sugiura M, Naganawa S, Nakata S, Kojima S, Nakashima T

    Acta Otolaryngol   127 巻 ( 5 ) 頁: 547-549   2007年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    Three-dimensional, fluid-attenuated inversion recovery (3D-FLAIR) of magnetic resonance imaging (MRI) has recently been developed to detect hemorrhage or high concentrations of protein. We present a patient with Ramsay Hunt syndrome, in whom high signals in the cochlear and vestibular apparatus were identified with 3D-FLAIR. The high signal areas in 3D-FLAIR were not detected by T1- and T2-weighted MRI in this case. This is the first report of high concentrations of protein in the inner ear in Ramsay Hunt syndrome using 3D-FLAIR, and suggests that high concentrations of protein in the inner ear are associated with hearing deterioration in some patients with Ramsay Hunt syndrome. 3D-FLAIR could be a useful diagnostic tool in the early stages of Ramsay Hunt syndrome.

  443. 【マルチモダリティによるHead & Neck Imaging 2007 臨床編 日常臨床における戦略と選択】 側頭骨・耳(中耳・内耳・外耳) 難聴とめまいにおける画像診断の現状と進歩 名古屋大学医学部附属病院

    長縄慎二

    INNERVISION   22 巻   頁: 8-11   2007年

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    担当区分:筆頭著者   記述言語:日本語   掲載種別:研究論文(学術雑誌)  

    難聴、めまいは病院を訪れる主訴として非常に多い。両者を合併することもある。これらの病態の診断で最も大切なのは、言うまでもなく十分な病歴聴取である。さらに聴力検査、注視眼振検査、頭位眼振検査、温度刺激試験、下位脳神経障害や中耳炎の有無を調べる耳鼻咽喉科的一般所見などの検査で引き続き診断を進め、血液検査や他の部位の画像検査で全身疾患の有無も調べる必要がある。局所つまり側頭骨の画像検査はそれらを補完する意義を持つ。側頭骨画像診断についてはCT,MRIが最も重要な画像検査であるが、本稿では側頭骨におけるCT,MRIの撮像法の原則を述べた後、病態ごとに画像診断のポイント、最近の進歩を述べ、最後に難聴における画像診断の進め方のデシジョンツリーをシェーマとしてまとめることとする。(著者抄録)

  444. 【3T MRIの最新情報】 頭部MRIの最新情報

    長縄慎二

      10 巻   頁: 7-11   2007年

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    担当区分:筆頭著者   記述言語:日本語   掲載種別:研究論文(学術雑誌)  

    信号雑音比的に厳しい3D-FLAIRや拡散テンソルといった特殊なコントラストを要求すると、1.5T装置では信号雑音比の不足に悩まされる。そういった厳しい領域に挑戦していくことが、確実に3T装置の有用性を表現する方法である。3D-SPACEによるFLAIR,STIR,T1強調について述べ、最近、有用性の報告の多いsusceptibility weighted image(SWI)を紹介する。(著者抄録)

  445. 側頭骨 内耳・内耳道

    長縄慎二

    日本医学放射線学会雑誌     頁: 87   2007年

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    担当区分:筆頭著者   記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  446. 肺癌の類似CT画像検索CADの初期的検討

    岩野信吾, 岡田徹, 神岡祐子, 石垣武男, 長縄慎二

    日本医学放射線学会雑誌     頁: 182-183   2007年

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  447. 3T MRIによる磁化率強調画像(SWI)を用いた多発性硬化症の脱髄巣を走行する静脈描出頻度の検討

    久保田誠司, 川井恒, 深津博, 長縄慎二

    日本医学放射線学会雑誌     頁: 188-189   2007年

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  448. 遠隔画像診断クリニックにおける業務分析と課題

    村瀬詠子, 深津恵理子, 石垣武男, 古賀佑彦, 加藤克彦, 深津博, 長縄慎二, 島本佳寿広

    日本医学放射線学会雑誌     頁: 204-205   2007年

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  449. 腹腔動脈狭窄に因る膵仮性動脈瘤に対するTAE

    鈴木耕次郎, 館靖, 森芳峰, 太田豊裕, 長縄慎二, 丸山邦弘, 伊藤信嗣, 白石里支

    日本医学放射線学会雑誌     頁: 269   2007年

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  450. Intraductal papillary mucinous neoplasm(IPMN)のマルチスライスCT所見の検討

    小川浩, 伊藤茂樹, 鈴木耕次郎, 長縄慎二

    日本医学放射線学会雑誌     頁: 349   2007年

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  451. 腹側膵領域の限局性炎症の画像所見

    伊藤茂樹, 鈴木耕次郎, 川井恒, 長縄慎二

    日本医学放射線学会雑誌     頁: 350   2007年

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  452. 鼓室内Gd注入による迷路内リンパ水腫の観察

    長縄慎二, 深津博, 川井恒

    日本医学放射線学会雑誌     頁: 360   2007年

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    担当区分:筆頭著者   記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  453. 人工知能Neural Networkを用いたLossless画像圧縮方法(JIS圧縮法)の開発と評価

    深津博, 長縄慎二, 湯村眞一郎

    日本医学放射線学会雑誌     頁: 383-384   2007年

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  454. ネットワーク上の情報のorganic recirculation 比較CT interpretationにおける放射線科医に及ぼすその臨床的影響(Organic Recirculation of Information On Network: Its Clinical Impact for Radiologists in Comparative CT Interpretation)

    深津博, 長縄慎二, 長田雅和, 増沢高

    日本医学放射線学会雑誌     頁: 384-385   2007年

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  455. Direct comparison study between FDG-PET and IMP-SPECT for diagnosing Alzheimer's disease using 3D-SSP analysis in the same patients.

    Nihashi, Takashi; Yatsuya, Hiroshi; Hayasaka, Kazumasa; Kato, Rikio; Kawatsu, Shoji; Arahata, Yutaka; Iwai, Katsushige; Takeda, Akinori; Washimi, Yukihiko; Yoshimura, Kumiko; Mizuno, Kanako; Kato, Takashi; Naganawa, Shinji; Ito, Kengo

    Radiat Med   25 巻   頁: 225-262   2007年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    The purpose of this study was to evaluate and compare the diagnostic ability of 2-[(18)F]-fluoro-2-deoxy-D: -glucose (FDG) positron emission tomography (PET) and N-isopropyl-p-(123)I iodoamphetamine single photon emission computed tomography (IMP-SPECT) using three-dimensional stereotactic surface projections (3D-SSP) in patients with moderate Alzheimer's disease (AD). MATERIALS AND METHODS: FDG-PET and IMP-SPECT were performed within 3 months in 14 patients with probable moderate AD. Z-score maps of FDG-PET and IMP-SPECT images of a patient were obtained by comparison with data obtained from control subjects. Four expert physicians evaluated and graded the glucose hypometabolism and regional cerebral blood flow (rCBF), focusing in particular on the posterior cingulate gyri/precunei and parietotemporal regions, and determined the reliability for AD. Receiver operating characteristic (ROC) curves were applied to the results for clarification. To evaluate the correlation between two modalities, the regions of interest (ROIs) were set in the posterior cingulate gyri/precunei and parietotemporal region on 3D-SSP images, and mean Z-values were calculated. CONCLUSION: No significant difference was observed in the area under the ROC curve (AUC) between FDG-PET and IMP-SPECT images (FDG-PET 0.95, IMP-SPECT 0.94). However, a significant difference (P < 0.05) was observed in the AUC for the posterior cingulate gyri/precuneus (FDG-PET 0.94, IMP-SPECT 0.81). The sensitivity and specificity of each modality were 86%, and 97% for FDG-PET and 70% and 100% for IMP-SPECT. We could find no significant difference between FDG-PET and IMP-SPECT in terms of diagnosing moderate AD using 3D-SSP. There was a high correlation between the two modalities in the parietotemporal region (Spearman's r = 0.82, P < 0.001). The correlation in the posterior cingulate gyri/precunei region was lower than that in the parietotemporal region (Spearman's r = 0.63, P < 0.016).

  456. 拡散テンソル画像を用いた多系統萎縮症とパーキンソン病の錐体路評価

    伊藤瑞規, 熱田直樹, 川合圭成, 渡邉宏久, 祖父江元, 長縄慎二, 深津博, 石垣武男

    臨床神経学   46 巻   頁: 1084   2007年

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  457. Contrast enhanced MR imaging of the brain using T1-FLAIR with BLADE compared with conventional spin echo sequence

    S.Naganawa,H.Kawai,and H.Fukatsu

    Proc.Intl.Soc.Mag.Reson.Med   15 巻   頁: 2110   2007年

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    担当区分:筆頭著者   記述言語:英語   掲載種別:研究論文(学術雑誌)  

  458. Risk factors for neovascular glaucoma after carbon ion radiotherapy of choroidal melanoma using dose-volume histogram analysis. 査読有り

    Hirasawa, Naoki; Tsuji, Hiroshi; Ishikawa, Hitoshi; Koyama-Ito, Hiroko; Kamada, Tadashi; Mizoe, Jun-Etsu; Ito, Yoshiyuki; Naganawa, Shinji; Ohnishi, Yoshitaka; Tsujii, Hirohiko

    Int J Radiat Oncol Biol Phys   67 巻   頁: 538-543   2007年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    PURPOSE: To determine the risk factors for neovascular glaucoma (NVG) after carbon ion radiotherapy (C-ion RT) of choroidal melanoma. METHODS AND MATERIALS: A total of 55 patients with choroidal melanoma were treated between 2001 and 2005 with C-ion RT based on computed tomography treatment planning. All patients had a tumor of large size or one located close to the optic disk. Univariate and multivariate analyses were performed to identify the risk factors of NVG for the following parameters; gender, age, dose-volumes of the iris-ciliary body and the wall of eyeball, and irradiation of the optic disk (ODI). RESULTS: Neovascular glaucoma occurred in 23 patients and the 3-year cumulative NVG rate was 42.6 +/- 6.8% (standard error), but enucleation from NVG was performed in only three eyes. Multivariate analysis revealed that the significant risk factors for NVG were V50IC (volume irradiated > or =50 GyE to iris-ciliary body) (p = 0.002) and ODI (p = 0.036). The 3-year NVG rate for patients with V50IC > or =0.127 mL and those with V50IC <0.127 mL were 71.4 +/- 8.5% and 11.5 +/- 6.3%, respectively. The corresponding rate for the patients with and without ODI were 62.9 +/- 10.4% and 28.4 +/- 8.0%, respectively. CONCLUSION: Dose-volume histogram analysis with computed tomography indicated that V50IC and ODI were independent risk factors for NVG. An irradiation system that can reduce the dose to both the anterior segment and the optic disk might be worth adopting to investigate whether or not incidence of NVG can be decreased with it.

  459. Parry-Romberg syndrome with a clinically silent white matter lesion. 査読有り

    Okumura A, Ikuta T, Tsuji T, Kato T, Fukatsu H, Naganawa S, Kato K, Watanabe K

    AJNR Am J Neuroradiol   27 巻 ( 8 ) 頁: 1729-1731   2006年9月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    We performed a detailed neuroimaging study in a patient with Parry-Romberg syndrome. Proton MR spectroscopy demonstrated normal spectral patterns, though conventional MR imaging revealed high-intensity areas in the entire white matter in the left hemisphere. Single-photon emission tomography showed increased perfusion in the cortex of the affected hemisphere. Pyramidal tracts and optic radiations were preserved on diffusion tensor tractography. We will correlate these neuroimaging findings with normal psychomotor development in our patient.

  460. Three-dimensional fluid-attenuated inversion recovery magnetic resonance imaging findings in patients with sudden sensorineural hearing loss. 査読有り

    Sugiura M, Naganawa S, Teranishi M, Nakashima T

    Laryngoscope   116 巻 ( 8 ) 頁: 1451-1454   2006年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    OBJECTIVE: To evaluate the inner ear in sudden sensorineural hearing loss (SNHL) using three-dimensional fluid-attenuated inversion recovery (3D-FLAIR) magnetic resonance imaging (MRI) at 3 Tesla (T). BACKGROUND: 3D-FLAIR MRI has recently been developed to detect high concentrations of protein or hemorrhage. Application of this method to sudden SNHL has not been described. METHODS: We used 3D-FLAIR at 3 T with and without gadolinium enhancement to evaluate eight patients with sudden SNHL. RESULTS: In four of eight ears with idiopathic sudden SNHL, high precontrast signals were observed within the inner ear on 3D-FLAIR. The high-signal areas observed on 3D-FLAIR were not detected by T1- or T2-weighted MRI in any of these patients. In one of these four ears, significant gadolinium enhancement was observed on 3D-FLAIR. CONCLUSION: Half the patients with sudden SNHL examined had high signals in the SNHL-affected ear on 3D-FLAIR at 3 T. High precontrast signals in the inner-ear fluid space may reflect minor hemorrhage, or an increased concentration of protein that had passed through blood vessels with increased permeability, or had originated from disrupted cells in the inner ear. Gadolinium enhancement in one ear suggested the breakdown of the blood-labyrinth barrier. 3D-FLAIR MRI should contribute markedly to the elucidation of pathologic conditions in the inner ears of patients with idiopathic sudden SNHL.

  461. Lateral semicircular canal and vertigo in patients with large vestibular aqueduct syndrome. 査読有り

    Ishida IM, Sugiura M, Nakashima T, Naganawa S, Sato E, Sugiura J, Yoshino T

    Otol Neurotol   27 巻 ( 6 ) 頁: 788-792   2006年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    OBJECTIVE: To evaluate the hypothesis that there are differences in the morphology of the lateral semicircular canal (LSCC) between patients with large vestibular aqueduct syndrome (LVAS) and control subjects and to investigate the clinical implications of these differences. STUDY DESIGN: Retrospective case review. SETTING: Tertiary referral center. PATIENTS: Nine patients (two male patients and seven female patients; age range, 8-54 yr) with LVAS (one patient had unilateral LVAS, and eight patients had bilateral LVAS). Five patients had vertigo, and four patients, including the one with unilateral LVAS, did not have vertigo. MAIN OUTCOME MEASURES: The area of the LSCC was traced on the magnetic resonance imaging console and compared between LVAS patients and 12 control subjects who did not have sensorineural hearing loss. The LSCC fluid-containing area was divided by the sum of the LSCC inner area and the LSCC fluid-containing area for evaluation of the degree of the LSCC dysplasia. RESULTS: The LSCC fluid-containing ratio was significantly larger in LVAS patients than in control subjects. Moreover, the LSCC fluid-containing ratio was significantly larger in the eight ears with vertigo than in the nine ears without vertigo. There was no relationship between hearing level and the LSCC fluid-containing ratio. CONCLUSION: Patients with LVAS may have disturbed morphogenesis of both membranous and bony labyrinths. Our results reveal that the morphology of semicircular canals is clinically associated with vertigo.

  462. 3D-FLAIR magnetic resonance imaging in the evaluation of mumps deafness. 査読有り

    Otake H, Sugiura M, Naganawa S, Nakashima T

    Int J Pediatr Otorhinolaryngol   70 巻 ( 12 ) 頁: 2115-2117   2006年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    A 6-year-old boy suffered acute profound right side deafness after his classmates had mumps. Although his salivary glands were not swollen, he had high levels of anti-mumps IgM and IgG antibodies. The three-dimensional fluid-attenuated inversion recovery (3D-FLAIR) procedure applied to magnetic resonance imaging (MRI) showed high signals in the right cochlea and vestibule. This indicated hemorrhage or a high concentration of protein in the right inner ear. This is the first case demonstrating a high 3D-FLAIR MRI signal of the inner ear in a patient with mumps deafness. Our findings suggest that 3D-FLAIR MRI may help to identify and define labyrinthitis in mumps deafness.

  463. Prompt contrast enhancement of cerebrospinal fluid space in the fundus of the internal auditory canal: observations in patients with meningeal diseases on 3D-FLAIR images at 3 Tesla. 査読有り

    Naganawa S, Sugiura M, Kawamura M, Fukatsu H, Nakashima T, Maruyama K

    Magn Reson Med Sci   5 巻 ( 3 ) 頁: 151-155   2006年

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    担当区分:筆頭著者   記述言語:英語   掲載種別:研究論文(学術雑誌)  

    We speculated that meningeal pathologies might facilitate the permeability of cranial nerves at the fundus of the internal auditory canal (IAC), causing prompt enhancement after administration of Gd-DTPA. Using a 3D- fluid-attenuated inversion recovery (FLAIR) sequence, we evaluated the enhancement of the cerebrospinal fluid (CSF) space in the IAC fundus 10 min after Gd-DTPA administration in patients with meningeal diseases. Twenty patients (aged 22 to 79 years) were divided into 2 groups, a group with meningeal disease comprising 9 patients with meningeal abnormalities (6, tumor dissemination; 3, infection) and a control group of 11 patients with unilateral IAC pathology whose healthy sides were included as controls. Six of the 9 patients in the group with meningeal disease showed bilateral enhancement; one showed unilateral enhancement. None of the control group showed enhancement in the healthy side. One patient with Ramsay-Hunt syndrome showed only ipsilateral enhancement. Enhancement in the IAC fundus was frequently observed in patients with meningeal disease, even just 10 min after administration of contrast agent. This enhancement in the IAC fundus was never visible on T1-weighted 3D-FLASH images.

  464. Inner ear hemorrhage in systemic lupus erythematosus. 査読有り

    Sugiura M, Naganawa S, Teranishi M, Sato E, Kojima S, Nakashima T

    Laryngoscope   116 巻 ( 5 ) 頁: 826-828   2006年

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    掲載種別:研究論文(学術雑誌)  

    A 33-year-old man had systemic lupus erythematosus (SLE) with anticardiolipin antibody. At the age of 40 years, he experienced bilateral hearing deterioration. The three-dimensional fluid-attenuated inversion recovery of magnetic resonance imaging showed high signals bilaterally in the cochlea and vestibule. He was diagnosed with bilateral inner ear hemorrhage on the basis of the presence of anticardiolipin antibody. This is the first published case of inner ear hemorrhage in a patient with SLE. Our findings suggest that inner ear hemorrhage is associated with hearing deterioration in some patients with SLE.

  465. *Observation of contrast enhancement in the cochlear fluid space of healthy subjects using a 3D-FLAIR sequence at 3 Tesla. 査読有り

    Naganawa S, Komada T, Fukatsu H, Ishigaki T, Takizawa O

    Eur Radiol   16 巻 ( 3 ) 頁: 733-737   2006年

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    担当区分:筆頭著者   記述言語:英語   掲載種別:研究論文(学術雑誌)  

    In animals, the enhancement of perilymph in the cochlea has been reported using 1.25 mmol/kg of Gd-DTPA, allowing the separate visualisation of perilymph and endolymph for the diagnosis of Meniere's disease. The purpose of this study was three-fold: (1) to determine the optimal timing for detecting cochlear fluid enhancement using 3D-FLAIR (fluid-attenuated inversion recovery) after intravenous administration of 0.1 mmol/kg of Gd-DTPA in healthy human subjects; (2) to examine the reliability of enhancement in multiple healthy subjects; and (3) to investigate whether endolymph and perilymph space can be visually discriminated. In two healthy subjects, 3D-FLAIR images were obtained before, immediately after and 2 h, 4 h and 6 h after the injection. Three more healthy subjects were scanned before and 4 h after the injection. In all four ears of the initial two subjects, cochlear fluid was found to be most intensely enhanced 4 h after the injection. In all of the additional three subjects, the cochlear fluid signal had increased after 4 h from injection. However, visual differentiation of endolymph and perilymph fluid could not be achieved. Using 3D-FLAIR and Gd-DTPA, cochlear fluid enhancement can be observed in healthy human ears, even with a single dose of contrast-medium injection.

  466. Relationship between CT densitometry with a slice thickness of 0.5 mm and audiometry in otosclerosis. 査読有り

    Kawase S, Naganawa S, Sone M, Ikeda M, Ishigaki T

    Eur Radiol   16 巻 ( 6 ) 頁: 1367-1373   2006年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    The appropriate cutoff Hounsfield unit (HU) value for the diagnosis of otosclerosis was determined and the correlation between the bone conduction threshold and the findings of computed tomography (CT) densitometry investigated. CT images, 0.5-mm thick, were evaluated in 24 ears with otosclerosis and 19 control ears. Eight regions of interest were set around the otic capsule. The mean HU values in the area anterior to the oval window (A-OW) and anterior to the internal auditory canal (A-IAC) were significantly lower in otosclerosis than in controls. Based on receiver operating characteristic (ROC) analysis, the cutoff HU value in A-OW was determined to be 2,187.3 HU. The mean HU value in retrofenestral otosclerosis was significantly lower in the area A-OW, A-IAC and around the cochlea than in controls. Based on ROC analysis, the cutoff HU value in the latter was determined to be 2,045 HU. A statistically significant correlation was found between the density of the area A-OW and the hearing level at 500 and 1,000 Hz, and between the density of the area around the cochlea and the hearing level at most frequencies. These results suggest the semi-automated diagnosis of otosclerosis may be possible.

  467. Blood flow to the promontory in cochlear otosclerosis. 査読有り

    Nakashima T, Sone M, Fujii H, Teranishi M, Yamamoto H, Otake H, Sugiura M, Naganawa S

    Clin Otolaryngol   31 巻 ( 2 ) 頁: 110-115   2006年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    OBJECTIVE: To investigate Schwartze sign with measurements of blood flow to the promontory in patients with cochlear otosclerosis. DESIGN: Prospective clinical study. SETTING: Tertiary referral centre. PARTICIPANTS: Five patients with cochlear otosclerosis and five control subjects. Significant decalcification around the cochlea was observed by computed tomography (CT) in patients with cochlear otosclerosis. However, no recognizable lesion was observed at the oval window in two patients. One patient had mixed hearing loss and four patients had sensorineural hearing loss without an air-bone gap. Main outcome measures: The relationship between CT findings and the presence or absence of Schwartze sign was investigated. Blood flow to the promontory was measured through the tympanic membrane using laser speckle flowgraphy and laser Doppler flowmetry. Results: The Schwartze sign correlated significantly with otosclerotic lesions invading the promontory. Patients with otosclerosis exhibited elevated and pulsating blood flow to the promontory with the Schwartze sign. CONCLUSIONS: Computed tomography demonstrated that cochlear otosclerosis can exist without the oval window lesion. Schwartze sign can be used as a sign of the otosclerotic invasion to the promontory. The reddening of the Schwartze sign is likely due to increased blood flow.

  468. Visualization of a high protein concentration in the cochlea of a patient with a large endolymphatic duct and sac, using three-dimensional fluid-attenuated inversion recovery magnetic resonance imaging. 査読有り

    Sugiura M, Naganawa S, Sato E, Nakashima T

    J Laryngol Otol   120 巻 ( 120 ) 頁: 1084-1086   2006年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  469. 【超音波画像診断の最新技術と臨床活用 最新技術をキーワードで斬る】 RVS RVS(Real-time Virtual Sonography)技術の乳腺領域への臨床応用

    佐竹弘子, 澤木明子, 長縄慎二, 三竹毅, 荒井修

      6 巻   頁: 56-59   2006年

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  470. 著明な肉芽形成が見られた腫瘤形成性膵炎の一例

    中根俊樹, 鈴木耕次郎, 長縄慎二, 伊藤茂樹, 金住直人, 下山芳江

    日本医学放射線学会雑誌     頁: 465   2006年

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  471. マルチスライスCTによる無症候性の腹腔動脈狭窄の検討

    森芳峰, 鈴木耕次郎, 佐竹弘子, 太田豊裕, 長縄慎二, 伊藤茂樹

    日本医学放射線学会雑誌     頁: 472   2006年

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  472. Medical Image Processing & Analysis Technology デジタル時代の医用画像情報技術セミナー イメージング&応用編 医療情報が拓く新しい世界 近未来型画像診断レポートシステムの最先端

    深津博, 石垣武男, 長縄慎二, 岩朝昭, 長田雅和, 牧野恭子, 早川ルミ

      21 巻   頁: 58-63   2006年

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

    近年、画像診断の機器および技術の進歩はめざましく、得られた画像はほぼすべての領域において、客観的で具体的な診断情報を提供する重要なツールとなっている。しかしながら一方で、マルチスライスCTをはじめとする高速な診断機器の登場によって1検査あたりの画像が1500枚を超えるような大量のデータが日常的に発生している。また、最新のMRIやPETのように、画像の解釈に専門的な機器や物理的・化学的な知識が要求されることも珍しくない。検査をオーダする臨床医は、画像診断の結果を患者やその家族に説明したり、その結果から治療方針を決定する。さらに、治療した結果の効果判定を行い次の治療方針を立てたりすることを日常的に行っており、その際、診断内容に関して完全に理解していないと自信を持って次の行為を行うことができない。外来診療での短い診察時間内で、上記のような大量で複雑な画像情報を一から観察して解釈することは、現実的には不可能なため、放射線科医の診断レポートが必要となる。放射線科医は、専門的な知識や技術をもってすべての画像を観察して解釈し、その結果を診断レポートとしてまとめて臨床医に提供する。診断レポートはカルテの一部となる公式文書であるため、医療訴訟の際にも証拠として扱われる重要な文書である。放射線科医は診断レポート内において、所見の存在やその意義、重要性や確信度、鑑別診断や次に必要とされる処置・検査などについてのアドバイスなどを含め、その診断内容を正確に伝達することに細心の注意を払っているが、短い診療時間内で診断レポートを読んだだけでは、記載された所見に対応する画像を捜し出すのは容易ではない。本稿では、雑多な日常業務の中で行われる診断レポート作成を支援するために、われわれが開発した「Hyperlink Report」、「Report Checker」の有用性について述べる。(著者抄録)

  473. 【膵疾患の画像診断 最近のトレンド】 マルチスライスCT診断

    伊藤茂樹, 石垣聡子, 鈴木耕次郎, 岩野信吾, 長縄慎二

    臨床画像   22 巻   頁: 1334-1342   2006年

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  474. 【64列CTがもたらした影響を検証する】 CTがもたらした診療・経営への効果 64スライスCTの普及がもたらす画像診断の進歩と機器運用の変化

    長縄慎二

    新医療   33 巻   頁: 56-59   2006年

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    担当区分:筆頭著者   記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  475. クローズアップ 名古屋大学医学部附属病院

    長縄慎二,深津博、米田和夫

    新医療   33 巻 ( 9 ) 頁: 87-87   2006年

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    担当区分:筆頭著者   記述言語:日本語  

  476. 画像診断機器の進歩での3D画像の有用性 3テスラMRIを中心に

    長縄慎二

    新医療   33 巻 ( 8 ) 頁: 102-104   2006年

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    担当区分:筆頭著者   記述言語:日本語  

  477. シーメンス旭 超高磁場MRIシステムの現状と将来

    長縄慎二

    Japan medical society   112 巻 ( 2 ) 頁: 75-77   2006年

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    担当区分:筆頭著者   記述言語:日本語  

  478. 拡散テンソル画像を用いた多系統萎縮症の錐体路評価

    伊藤瑞規, 熱田直樹, 渡邉宏久, 祖父江元, 長縄慎二, 深津博, 石垣武男

    臨床神経学   46 巻   頁: 110   2006年

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  479. 非造影検査でどこまで診断に迫れるか? 高磁場MRI

    長縄慎二

    断層映像研究会雑誌   33 巻   頁: 20-21   2006年

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    担当区分:筆頭著者   記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  480. 3Teslaにおける3D-FLAIRを用いた蝸牛リンパ液の造影効果の観察

    長縄慎二, 深津博, 石垣武男

    日本医学放射線学会雑誌     頁: 263   2006年

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    担当区分:筆頭著者   記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  481. 【脊髄小脳変性症研究の最近の進歩】 孤発性脊髄小脳変性症 多系統萎縮症のMRI画像

    渡辺宏久, 伊藤瑞規, 熱田直樹, 長縄慎二, 深津博, 祖父江元

    神経研究の進歩   50 巻   頁: 397-407   2006年

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  482. 【ここまで進歩した3D画像システム】 臨床での効果が大きい3D画像診断 画像診断機器の進歩でもたらされた3D画像の有用性 3テスラMRIを中心に

    長縄慎二

    新医療   33 巻   頁: 102-104   2006年

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    担当区分:筆頭著者   記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  483. 【3D-SPACEの臨床応用】 さまざまなコントラストのisotropic data撮像

    長縄慎二

      21 巻   頁: 02-04   2006年

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    担当区分:筆頭著者   記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  484. Diffusion-weighted imaging of the liver: technical challenges and prospects for the future.

    Naganawa S, Kawai H, Fukatsu H, Sakurai Y, Aoki I, Miura S, Mimura T, Kanazawa H, Ishigaki T.

    Magn Reson Med Sci.   4 巻 ( 4 ) 頁: 175-186   2005年12月

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    担当区分:筆頭著者   記述言語:英語   掲載種別:研究論文(学術雑誌)  

    Diffusion-weighted imaging (DWI) has recently been attempted in the abdominal region. We review diffusion-weighted images of the liver, especially from the technical point of view. We discuss selection of pulse sequence parameters, effects of anti-breathing motion technique, tips for measuring apparent diffusion coefficient (ADC), and utility of superparamagnetic iron oxide (SPIO), showing clinical cases, including those at 3T. Our current trial of new pulse sequencing, such as SPIO-mediated breath-holding black-blood fluid-attenuated inversion recovery (BH-BB-FLAIR), imaging is shown. Some prospects for the future in DWI of the liver are also stated.

  485. *Differentiation of noncancerous tissue and cancer lesions by apparent diffusion coefficient values in transition and peripheral zones of the prostate. 査読有り

    Sato C, Naganawa S, Nakamura T, Kumada H, Miura S, Takizawa O, Ishigaki T

    J Magn Reson Imaging   21 巻 ( 3 ) 頁: 258-262   2005年3月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    PURPOSE: To compare the apparent diffusion coefficient (ADC) values of prostate cancer in both the peripheral zone (PZ) and the transition zone (TZ) with those of benign tissue in the same zone using echo-planar diffusion weighted imaging with a parallel imaging technique. MATERIALS AND METHODS: A total of 29 consecutive male patients (mean age 61.3 years, age range 53-88 years) with suspected prostate cancer were referred for MR imaging. All patients underwent transrectal ultrasound (TRUS)-guided biopsy of the prostate after MR imaging at 1.5 T, including ADC. For each patient, seven to 10 specimens were obtained from the prostate, and regions of interest (ROIs) were drawn on the ADC map by referring to the urologist's illustration of TRUS-guided biopsy sites. ADC values of cancerous tissue in both the PZ and TZ were compared to those of noncancerous tissue in the same zone. RESULTS: Out of 29 patients, 23 had cancer tissue. In the 23 patients with cancer, the mean ADC value of all cancer ROIs and that of all noncancer ROIs, respectively, were 1.11 +/- 0.41 x 10(-3) and 1.68 +/- 0.40 x 10(-3) mm(2)/second (values are mean +/- SD) (P < 0.01). The mean ADC value of TZ cancer ROIs and that of TZ noncancer ROIs, respectively, were 1.13 +/- 0.42 x 10(-3) and 1.58 +/- 0.37 x 10(-3) mm(2)/second (P < 0.01). CONCLUSIONS: ADC measurement with a parallel imaging technique showed that ADC values of prostate cancer in both the PZ and TZ were significantly lower than those of benign tissue in the PZ and TZ, respectively.

  486. Diffusion-weighted imaging of the liver: technical challenges and prospects for the future. 査読有り

    Naganawa S, Kawai H, Fukatsu H, Sakurai Y, Aoki I, Miura S, Mimura T, Kanazawa H, Ishigaki T

    Magn Reson Med Sci   4 巻 ( 4 ) 頁: 175-186   2005年

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    担当区分:筆頭著者   記述言語:英語   掲載種別:研究論文(学術雑誌)  

    Diffusion-weighted imaging (DWI) has recently been attempted in the abdominal region. We review diffusion-weighted images of the liver, especially from the technical point of view. We discuss selection of pulse sequence parameters, effects of anti-breathing motion technique, tips for measuring apparent diffusion coefficient (ADC), and utility of superparamagnetic iron oxide (SPIO), showing clinical cases, including those at 3T. Our current trial of new pulse sequencing, such as SPIO-mediated breath-holding black-blood fluid-attenuated inversion recovery (BH-BB-FLAIR), imaging is shown. Some prospects for the future in DWI of the liver are also stated.

  487. Apparent diffusion coefficient in cervical cancer of the uterus: comparison with the normal uterine cervix. 査読有り

    Naganawa S, Sato C, Kumada H, Ishigaki T, Miura S, Takizawa O

    Eur Radiol   15 巻 ( 1 ) 頁: 71-78   2005年

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    担当区分:筆頭著者   記述言語:英語   掲載種別:研究論文(学術雑誌)  

    A relation between apparent diffusion coefficient (ADC) values and tumor cellular density has been reported. The purpose of this study was to measure the ADC values of cervical cancers in the uterus and compare them with those of normal cervical tissues, and to test whether ADC could differentiate between normal and malignant cervical tissues in the uterus. Twelve consecutive female patients with cervical cancer of the uterus and ten female patients with other pelvic abnormalities were included in this study. ADC was measured at 1.5 T with b-factors of 0, 300 and 600 s/mm2 using single-shot echo-planar diffusion-weighted imaging and a parallel imaging technique. The mean ADC value of cervical cancer lesions was 1.09+/-0.20 x 10(-3) mm2/s, and that of normal cervix tissue was 1.79+/-0.24 x 10(-3) mm2/s (P<0.0001). In nine patients treated by chemotherapy and/or radiation therapy, the mean ADC value of the cervical cancer lesion increased significantly after therapy (P<0.001). The present study showed, with a small number of patients, that ADC measurement has a potential ability to differentiate between normal and cancerous tissue in the uterine cervix. Further study is necessary to determine the accuracy of ADC measurement in monitoring the treatment response.

  488. Long-term follow-up in patients with Pendred syndrome: vestibular, auditory and other phenotypes. 査読有り

    Sugiura M, Sato E, Nakashima T, Sugiura J, Furuhashi A, Yoshino T, Nakayama A, Mori N, Murakami H, Naganawa S

    Eur Arch Otorhinolaryngol   262 巻 ( 9 ) 頁: 737-743   2005年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    Fourteen patients with a Pendred syndrome gene (Pds) mutation and three patients without the mutation were studied to evaluate long-term vestibular and auditory manifestations among patients with bilateral enlarged vestibular aqueducts (EVA). Charts were reviewed retrospectively for age, gender, otological history, presence or absence of vertigo, results of magnetic resonance imaging, relevant gene mutations and perchlorate discharge test. A missense mutation, His 723 Arg (H723R), was identified in the homozygous state in six patients and in the heterozygous state in seven patients. Another missense mutation, Tyr 410 Met (T410 M), was identified in the heterozygous state in one patient. Patients with vertigo tended to have hearing fluctuation, compared with the patients without vertigo. Patients homozygous for H723R tended to have more episodes of vertigo than the heterozygous individuals. Only one patient who was homozygous for H723R had goiter. The long-term outcome of hearing level in patients with the H723R mutation was significantly better compared with published results for patients with a Pds mutation, but not for those with the H723R mutation. Whether environmental factors or a subtype of the Pds mutation H723R are related to the long-term outcome for these patients must be clarified.

  489. Contralateral and ipsilateral responses in primary somatosensory cortex following electrical median nerve stimulation--an fMRI study. 査読有り

    Nihashi T, Naganawa S, Sato C, Kawai H, Nakamura T, Fukatsu H, Ishigaki T, Aoki I

    Clin Neurophysiol   116 巻 ( 4 ) 頁: 842-848   2005年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    OBJECTIVE: Ten healthy adult subjects were examined using functional magnetic resonance imaging (fMRI) to investigate responses in the contralateral and ipsilateral primary somatosensory cortex (SI) following electrical stimulation of the median nerve. METHODS: The right and left median nerves were stimulated alternately at the wrist in the different sessions. First, the location of the response in contralateral SI was identified following median nerve stimulation, and then, a spherical search volume with a 10mm radius centered on the region of the contralateral response was determined. Whether or not fMRI activation occurred within this sphere following ipsilateral stimulation was examined using a 3T MR imager. RESULTS: A response in contralateral SI was observed in 8 of the 10 subjects in right and left hemisphere. Responses in ipsilateral SI were observed in 6 of 8 subjects in right hemisphere, and the region of the response tended to be posterior to the contralateral region. On the other hand, in left hemisphere, the ipsilateral responses were found in three. CONCLUSIONS: In the present study, not only contralateral SI but also ipsilateral SI was activated following median nerve. The location of the ipsilateral activation was significantly more posterior than the contralateral one in right hemisphere. SIGNIFICANCE: The region of activation in ipsilateral SI was located in the posterior portion of post central gyrus, corresponding to around BA2 and 5 in human.

  490. Sudden sensorineural hearing loss associated with inner ear anomaly. 査読有り

    Sugiura M, Nakashima T, Naganawa S, Otake Y, Mukaida T, Sone M, Sato E

    Otol Neurotol   26 巻 ( 2 ) 頁: 241-246   2005年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    OBJECTIVE: This study was conducted to evaluate the frequency of inner ear anomaly in patients with sudden sensorineural hearing loss and in control subjects. STUDY DESIGN: Retrospective case review. SETTING: A tertiary referral center. PATIENTS AND INTERVENTION: We evaluated 366 patients (165 men and 201 women; age range, 3-91 yr) with sudden sensorineural hearing loss and 228 control subjects without sensorineural hearing loss using magnetic resonance imaging. Three hundred fifty-six patients had unilateral and 10 patients had bilateral sudden sensorineural hearing loss. RESULTS: Eleven (2.9%) of 376 ears with sudden sensorineural hearing loss had inner ear anomaly. Nine patients (2.5%) had inner ear anomaly associated with sudden sensorineural hearing loss, but none of the 228 control subjects had the anomaly. The current study demonstrated that the frequency of inner ear anomaly in patients with sudden sensorineural hearing loss was significantly higher than in control subjects. CONCLUSION: Our study reveals that inner ear anomaly may be associated with sudden sensorineural hearing loss in 2.5% of patients.

  491. Diffusion-weighted images of the liver: comparison of tumor detection before and after contrast enhancement with superparamagnetic iron oxide.

    Naganawa S, Sato C, Nakamura T, Kumada H, Ishigaki T, Miura S, Maruyama K, Takizawa O

    J Magn Reson Imaging   21 巻 ( 6 ) 頁: 836-840   2005年

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    担当区分:筆頭著者   記述言語:英語   掲載種別:研究論文(学術雑誌)  

    PURPOSE: To study the recognition of malignant lesions of the liver on diffusion-weighted images (DWI) can be improved by the administration of superparamagnetic iron oxide (SPIO). MATERIALS AND METHODS: Pre- and post-SPIO mediated DWI of the liver was compared in six patients with suspected malignant liver lesions at 1.5 Tesla using a parallel imaging technique. RESULTS: Post-SPIO DWI showed improved contrast-to-noise ratio between malignant lesions and liver. Furthermore, the spleen signal was decreased on post-SPIO DWI, thus avoiding the overlap of the spleen and left lobe of the liver on maximum intensity projections (MIP). CONCLUSION: Recognition of malignant lesions of the liver was improved by SPIO on DWI. On MIP images of DWI, SPIO helped to decrease the overlap of spleen signal on the liver in some projection angles.

  492. Hearing loss in patients with enlarged vestibular aqueduct: air-bone gap and audiological Bing test. 査読有り

    Mimura T, Sato E, Sugiura M, Yoshino T, Naganawa S, Nakashima T

    Int J Audiol   44 巻 ( 8 ) 頁: 466-469   2005年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    The Bing test is based on the principle that occlusion of the external auditory meatus improves the perception of bone-conducted sounds unless there is a conductive hearing impairment. An air-bone gap has been reported in patients with large vestibular aqueduct (LVA) syndrome without apparent middle ear dysfunction. We therefore performed the Bing test on nine patients with this syndrome to evaluate whether it is associated with an air-bone gap or middle ear dysfunction. Bone conduction thresholds did not change significantly during the Bing test in any patient. Because an air-bone gap is observed in patients with abnormal communication between the inner ear and cerebrospinal fluid through the LVA, dehiscent superior canal, or dilated inner ear meatus; we propose that a 'three windows' model (in which the abnormal communication provided by the enlarged endolymphatic duct and sac in LVA acts as the 'third window' for sound conductance) might explain the air-bone gap in such patients.

  493. 【最近の画像診断の進歩 CT,MRI,PET】 高磁場MRI

    長縄慎二

    日本医師会雑誌   134 巻   頁: 1722-1726   2005年

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    担当区分:筆頭著者   記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  494. 多系統萎縮症における認知機能障害 画像との関連

    川合圭成, 伊藤瑞規, 渡邉宏久, 祖父江元, 武田章敬, 長縄慎二, 深津博, 加藤克彦, 石垣武男

    臨床神経学   45 巻   頁: 1185   2005年

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  495. 第33回日本磁気共鳴医学会大会にみるBody diffusionの動向

    長縄慎二

    Innervision   20 巻 ( 12 ) 頁: 112   2005年

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    担当区分:筆頭著者   記述言語:日本語  

  496. 高磁場MRI

    長縄慎二

    日本医師会雑誌   134 巻 ( 9 ) 頁: 1722-1726   2005年

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    担当区分:筆頭著者   記述言語:日本語  

  497. 超高磁場MRIのインパクト(3T MRIをふくめて)脳以外への活用方法

    長縄慎二

    日独医報   50 巻 ( 3 ) 頁: 479-489   2005年

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    担当区分:筆頭著者   記述言語:日本語  

  498. 前立腺癌,子宮頸癌におけるADC測定の意義

    長縄慎二

    画像診断   25 巻 ( 6 ) 頁: 737-743   2005年

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    担当区分:筆頭著者   記述言語:日本語  

    DWIBSにおいての癌描出のメカニズムは十分に把握されておらず,基礎的な検討としても,現時点での臨床的な課題としても,さまざまな種類の癌のADCを測定することが重要である.前立腺癌と子宮頸癌におけるADC計測の結果と臨床的な位置付けを1.5T,3Tでの結果に基づいて解説する

  499. 電子ポスター(Cypos)元年 JRC2005を振り返って

    石垣武男 藤田広志 深津博 長縄慎二 片渕哲朗 原武史

    Innervision   20 巻 ( 7 ) 頁: 28-33   2005年

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    記述言語:日本語  

  500. 第64回日本医学放射線学会学術集会 イメージインタープリテーションセッション症例出題集

    長縄慎二、原真咲

    日本医学放射線学会誌別冊付録   65 巻 ( 3 ) 頁: 1-28   2005年

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    担当区分:筆頭著者   記述言語:日本語  

  501. 第64回日本医学放射線学会学術集会 イメージインタープリテーションセッション症例出題集

    長縄慎二、原真咲

    日本医学放射線学会誌別冊付録   65 巻 ( 2 ) 頁: 1-14   2005年

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    担当区分:筆頭著者   記述言語:日本語  

  502. 【医療環境の変化に対して放射線診療は今後どう対応すべきか 画像診断を中心に】 高度画像診断機器導入による画像診断へのインパクト 医療制度の変化を踏まえて 超高磁場MRIのインパクト(3T MRIを含めて) 脳以外への活用方法

    長縄慎二

    日独医報   50 巻   頁: 479-489   2005年

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    担当区分:筆頭著者   記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  503. 多発性硬化症におけるIsotropic 3D FLAIR法の有用性

    末永正機, 伊藤瑞規, 熱田直樹, 渡邉宏久, 祖父江元, 深津博, 長縄慎二

    臨床神経学   45 巻   頁: 1035   2005年

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  504. 多系統萎縮症とパーキンソン病の鑑別 橋の拡散テンソル画像,拡散強調画像の有用性

    伊藤瑞規, 熱田直樹, 川合圭成, 渡邉宏久, 祖父江元, 長縄慎二, 深津博, 石垣武男

    臨床神経学   45 巻   頁: 1168   2005年

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  505. Serial evaluation of diffusion tensor brain fiber tracking in a patient with severe diffuse axonal injury. 査読有り

    Naganawa S, Sato C, Ishihra S, Kumada H, Ishigaki T, Miura S, Watanabe M, Maruyama K, Takizawa O

    AJNR Am J Neuroradiol   25 巻 ( 9 ) 頁: 1553-1556   2004年10月

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    担当区分:筆頭著者   記述言語:英語   掲載種別:研究論文(学術雑誌)  

    Serial evaluation of diffusion tensor brain fiber tracking was performed in a 27-year-old female patient with diffuse axonal injury after a traffic accident. Although the result of brain fiber tracking was not necessarily parallel to her clinical symptoms, it may have predicted the neurologic prognosis.

  506. Rad Talk ISMRM2004

    長縄慎二

    Rad Fan   2 巻 ( 6 ) 頁: 47-56   2004年10月

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    担当区分:筆頭著者   記述言語:日本語  

  507. High-speed imaging at 3 Tesla: a technical and clinical review with an emphasis on whole-brain 3D imaging. 査読有り

    Naganawa S, Kawai H, Fukatsu H, Ishigaki T, Komada T, Maruyama K, Takizawa O

    Magn Reson Med Sci   3 巻 ( 4 ) 頁: 177-187   2004年

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    担当区分:筆頭著者   記述言語:英語   掲載種別:研究論文(学術雑誌)  

    Improvements to the inherently high specific-absorption rate (SAR) of high-speed imaging at 3T are necessary in order to render this method clinically feasible. Various efforts have been undertaken to improve the associated hardware and software. In this review, we focus on whole-brain isotropic 3D imaging with a turbo spin-echo sequence with variable flip-angle echo trains (3D-TSE-VFL) and present its technical and clinical features. This sequence can be used to acquire images of various contrasts including T2-weighted, fat-suppressed T2-weighted, fluid-attenuated inversion recovery (FLAIR), fat-suppressed FLAIR, and STIR (short tau inversion recovery). Various aspects of 3D-TSE-VFL are discussed, including CSF (cerebrospinal fluid) and metal artifacts, STIR contrast, small-part visualization other than brain, and the possibility of serial subtraction. Some images from clinical cases are presented.

  508. Flow ghost artifact in slice-encoding direction mimicking vestibular schwannoma in contrast-enhanced 3D spoiled gradient-echo sequence. 査読有り

    Naganawa S, Koshikawa T, Fukatsu H, Ishigaki T, Aoki I

    Eur Radiol   14 巻 ( 3 ) 頁: 496-499   2004年

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    担当区分:筆頭著者   記述言語:英語   掲載種別:研究論文(学術雑誌)  

    The value of MR imaging by post-contrast T1-weighted 3D spoiled gradient-echo (3D SPGR) is well established for the detection of small vestibular schwannomas in the cerebellopontine angle region. We describe a case in which a flow ghost artifact in the slice-encoding direction mimicked a vestibular schwannoma and heavily T2-weighted MR cisternography and multiplanar reconstruction images helped us to reach the correct diagnosis. In addition, we conducted a volunteer study to demonstrate that changing the k-space trajectory can reduce this artifact in post-contrast 3D SPGR images.

  509. Pre-surgical mapping of primary motor cortex by functional MRI at 3 T: effects of intravenous administration of Gd-DTPA. 査読有り

    Naganawa S, Nihashi T, Fukatsu H, Ishigaki T, Aoki I

    Eur Radiol   14 巻 ( 1 ) 頁: 112-114   2004年

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    担当区分:筆頭著者   記述言語:英語   掲載種別:研究論文(学術雑誌)  

    The functional magnetic resonance imaging (fMRI) is often performed at the end of a routine MRI examination during which, dependent on the clinical indication, contrast agent has been administered; however, the effects of Gd-DTPA injection on the results of blood oxygenation level dependent (BOLD)-fMRI remain unknown. The present study was conducted to investigate the effects of the intravenous administration of Gd-DTPA on the results of pre-surgical localization of the primary motor cortex by BOLD-fMRI at 3 T. Eight normal subjects were included in this study. After the anatomical scans, pre- and post-contrast fMRI scanning was performed. The number of significantly activated voxels and the mean percentage signal change were compared. The mean number of significantly activated voxels was 115.0+/-27.0 in pre-contrast runs and 90.8+/-27.1 in post-contrast runs (mean value of all 8 volunteers+/-standard deviation; p<0.05). The mean mean percentage signal change was 4.07+/-0.39 in pre-contrast runs and 3.86+/-1.91 in post-contrast runs ( p=0.16). Pre-surgical localization of the motor area by BOLD-fMRI should be performed before the administration of Gd contrast material.

  510. Optimization of diffusion-tensor MR imaging data acquisition parameters for brain fiber tracking using parallel imaging at 3 T. 査読有り

    Naganawa S, Koshikawa T, Kawai H, Fukatsu H, Ishigaki T, Maruyama K, Takizawa O

    Eur Radiol   14 巻 ( 2 ) 頁: 234-238   2004年

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    担当区分:筆頭著者   記述言語:英語   掲載種別:研究論文(学術雑誌)  

    The purpose of this study was to optimize the parameters of diffusion-tensor magnetic resonance imaging (DT MRI) for brain fiber tracking using a slice thickness of 2 mm, a resolution advantage allowed by the high signal-to-noise ratio at 3 T, combined with an 8-channel phased-array head coil. The b-factor, number of motion probing gradient (MPG) directions, and number of averages were varied, and the results of brain fiber tracking for the pyramidal tract and trigeminal nerve were compared qualitatively and quantitatively. The DT MRI data sufficient for brain fiber tracking in healthy subjects can be obtained in <2 min with a 2-mm slice thickness, 700-s/mm2 b-factor, 6 MPG directions, and no averaging (number of averages=1).

  511. Enlarged endolymphatic duct and sac syndrome: relationship between MR findings and genotype of mutation in Pendred syndrome gene. 査読有り

    Naganawa S, Koshikawa T, Fukatsu H, Ishigaki T, Sato E, Sugiura M, Yoshino T, Nakashima T

    Magn Reson Imaging   22 巻 ( 1 ) 頁: 25-30   2004年

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    担当区分:筆頭著者   記述言語:英語   掲載種別:研究論文(学術雑誌)  

    Pendred syndrome (PDS) is characterized by profound deafness in childhood, positive perchlorate challenge, and goiter. PDS is often associated with enlarged endolymphatic duct and sac (EEDS), and recently, PDS gene mutations have been reported even in those patients with EEDS without classic Pendred syndrome. In a previous report, the number of mutant alleles was correlated with the degree of subclinical thyroid abnormality, but not with hearing loss, in patients with missense mutation H723R. It also has been reported that the hearing loss in EEDS was not correlated with the EEDS volume, cochlear modiolar area, or signal intensity of the endolymphatic sac. We evaluated the correlations between the number of mutant alleles and these parameters in patients with EEDS to investigate the mechanisms underlying this condition. The study group was comprised of 16 Japanese patients with EEDS diagnosed by MR imaging. The H723R mutation was homozygous in six patients and heterozygous in six patients, with no mutation found in four patients. The modiolar area, EEDS volume, and signal intensity ratio (sac signal/cerebrospinal fluid signal) were not significantly correlated with the number of mutant alleles. PDS gene mutations may not be the only cause of EEDS, and the mechanisms underlying EEDS remain unclear.

  512. Whole-brain vascular reactivity measured by fMRI using hyperventilation and breath-holding tasks: efficacy of 3D prospective acquisition correction (3D-PACE) for head motion. 査読有り

    Naganawa S, Koshikawa T, Fukatsu H, Ishigaki T, Maruyama K, Takizawa O

    Eur Radiol   14 巻 ( 8 ) 頁: 1484-1488   2004年

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    担当区分:筆頭著者   記述言語:英語   掲載種別:研究論文(学術雑誌)  

    Functional MR imaging (fMRI) study using hyperventilation and breath-holding task has been reported to be one of the non-invasive methods to examine whole-brain vascular reactivity. The purpose of this study was to evaluate the efficacy of a method for 3D prospective detection and correction of head motion (3D-PACE) in a study of whole-brain vascular reactivity using hyperventilation and breath-holding tasks. Eight healthy volunteers were scanned using an fMRI protocol of hyperventilation and breath-holding task blocks at 3 T in separate runs with and without 3D-PACE. In two subjects, two more runs with and without 3D-PACE were repeated. The mean total number of activated voxels +/- standard deviation was 26,405.3+/-1,822.2 in the run with 3D-PACE and 17,329.9+/-2,766.3 in the run without 3D-PACE ( P<0.05), although there is some intersubject variation regarding the effect of 3D-PACE. In the two subjects whose performed two more runs, the number of activated voxels were smaller in the run without 3D-PACE than even in the run with 3D-PACE performed later. We conclude that 3D-PACE is beneficial for fMRI studies of whole-brain vascular reactivity induced by hyperventilation and breath-holding.

  513. Comparison of flow artifacts between 2D-FLAIR and 3D-FLAIR sequences at 3 T. 査読有り

    Naganawa S, Koshikawa T, Nakamura T, Kawai H, Fukatsu H, Ishigaki T, Komada T, Maruyama K, Takizawa O

    Eur Radiol   14 巻 ( 10 ) 頁: 1901-1908   2004年

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    担当区分:筆頭著者   記述言語:英語   掲載種別:研究論文(学術雑誌)  

    It has been reported that 3D-FLAIR can reduce the flow artifact resulting from cerebrospinal fluid (CSF) at 1.5 T compared to 2D-FLAIR. Flow-related artifacts tend to be worse at 3 T than at 1.5 T. The purpose of this study was to compare the CSF flow artifacts of 2D-FLAIR and 3D-FLAIR sequences at 3 T in eight healthy volunteers. The grade of CSF-related artifacts were scored through observing the perimedullary cistern, cerebellopontine angle cisterns, fourth ventricule, prepontine cistern, suprasellar cistern, ambient cisterns, sylvian fissures, third ventricle and lateral ventricles. Grading was performed on either axial or sagittal images. The CSF in-flow artifact scores were significantly higher on axial 2D-FLAIR than on axial 3D-FLAIR MPR images in all areas except the bilateral sylvian fissures, and higher on sagittal 2D-FLAIR than on sagittal 3D-FLAIR MPR images in perimedullary, bilateral CP angle and suprasellar cisterns. The CSF-related flow artifacts were significantly reduced by 3D-FLAIR, while structures in the cistern were depicted more clearly, even at 3 T. Further study is necessary to compare the clinical efficacy between 2D-FLAIR and 3D-FLAIR in depicting subtle abnormalities.

  514. MR imaging of gastric cancer in vitro: accuracy of invasion depth diagnosis.

    Sato C, Naganawa S, Kumada H, Miura S, Ishigaki T

    Eur Radiol   14 巻 ( 9 ) 頁: 1543-1549   2004年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    The purpose of this study was to evaluate the accuracy of grading cancerous invasion of the gastric wall in vitro using magnetic resonance (MR) imaging. Twelve specimens of gastric carcinoma were examined at 1.5-T using a small, loop surface coil. They were imaged within 2 days of fixation in formalin. The field of view was 30 mm; the matrix size was 256x256, and the section thickness was 2 mm. T1-weighted, T2-weighted and short inversion time inversion recovery (STIR) images were obtained. Two radiologists evaluated the MR images independently, and in discrepant cases, consensus was obtained through discussion. Findings on MR images were compared with histopathologic findings. All T1-weighted, T2-weighted and STIR images depicted the normal gastric wall as consisting of six layers. STIR images depicted normal six layers most clearly. Histologically, the cancerous invasion was found to extend into the mucosa in 4 of the 12 specimens, the submucosa in 3, the muscularis propria in 2, the subserosa in 2 and the serosa in 1. The grading by MR imaging matched the histopathologic findings for all 12 tumors. The overall accuracy was 100%. Thus, MR imaging in vitro was sufficiently accurate for grading cancerous invasion of the gastric wall.

  515. MRIの最新トッピックス 3T MRIの臨床

    長縄慎二

    映像情報メディカル   36 巻   頁: 1056-1060   2004年

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    担当区分:筆頭著者   記述言語:日本語  

  516. 頭頚部画像診断に必要不可欠な臨床画像解剖(1)側頭骨 (内耳、内耳道)

    長縄慎二

    画像診断   24 巻 ( 11 ) 頁: 2-4   2004年

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    担当区分:筆頭著者   記述言語:日本語  

  517. Magnetic resonance imaging of endolymphatic sac in acute low-tone sensorineural hearing loss without vertigo. 査読有り

    Sugiura M, Naganawa S, Nakashima T, Misawa H, Nakamura T

    ORL J Otorhinolaryngol Relat Spec   65 巻 ( 5 ) 頁: 254-260   2003年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    The etiology of acute low-tone sensorineural hearing loss (ALHL) may be associated with deteriorated function of the endolymphatic sac. Using magnetic resonance (MR) imaging on a 1.5-tesla MR system, we evaluated the frequency of visualization and contrast enhancement of the endolymphatic sac in 25 patients (9 men and 16 women; age range 11-64 years) with ALHL and 21 control subjects. The present study demonstrated that the frequency of visualization and enhancement of the endolymphatic sac in patients with ALHL was not significantly higher than in control subjects.

  518. High-resolution T1-weighted 3D real IR imaging of the temporal bone using triple-dose contrast material. 査読有り

    Naganawa S, Koshikawa T, Nakamura T, Fukatsu H, Ishigaki T, Aoki I

    Eur Radiol   13 巻 ( 12 ) 頁: 2650-2658   2003年

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    担当区分:筆頭著者   記述言語:英語   掲載種別:研究論文(学術雑誌)  

  519. Contrast enhancement of the cochlear aqueduct in MR imaging: its frequency and clinical significance. 査読有り

    Nakamura T, Naganawa S, Fukatsu H, Sakurai Y, Aoki I, Ninomiya A, Nakashima T, Ishigaki T

    Neuroradiology   45 巻 ( 9 ) 頁: 626-630   2003年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    There have been no previous reports on contrast enhancement of the cochlear aqueduct in magnetic resonance imaging. The purpose of the present study was to evaluate the frequency and significance of this finding. Thirty-one patients (15 men and 16 women; age range 18-81 years) with otologic symptoms (sudden sensorineural hearing loss, vertigo, or tinnitus) were examined using contrast-enhanced imaging on a 1.5-T MR scanner. The normal ear served as the control. Two radiologists evaluated contrast enhancement in the area of the cochlear aqueduct. Forty-eight of 62 ears (77.4%) showed contrast enhancement of the cochlear aqueduct, but no significant differences in the frequency of contrast enhancement were observed between patients with and patients without vertigo, tinnitus, sensorineural hearing loss, cerebellopontine angle tumors, or a high-riding jugular bulb. In addition, no gender- or age-related differences were noted. Contrast enhancement of the cochlear aqueduct was frequently observed, but the frequency of enhancement in symptomatic ears was not significantly higher than in control ears. The results of this study may prove helpful in avoiding unnecessary examinations and potential diagnostic confusion.

  520. Disorders of cochlear blood flow. 査読有り

    Nakashima T, Naganawa S, Sone M, Tominaga M, Hayashi H, Yamamoto H, Liu X, Nuttall AL

    Brain Res Brain Res Rev   43 巻 ( 1 ) 頁: 17-28   2003年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    The cochlea is principally supplied from the inner ear artery (labyrinthine artery), which is usually a branch of the anterior inferior cerebellar artery. Cochlear blood flow is a function of cochlear perfusion pressure, which is calculated as the difference between mean arterial blood pressure and inner ear fluid pressure. Many otologic disorders such as noise-induced hearing loss, endolymphatic hydrops and presbycusis are suspected of being related to alterations in cochlear blood flow. However, the human cochlea is not easily accessible for investigation because this delicate sensory organ is hidden deep in the temporal bone. In patients with sensorineural hearing loss, magnetic resonance imaging, laser-Doppler flowmetry and ultrasonography have been used to investigate the status of cochlear blood flow. There have been many reports of hearing loss that were considered to be caused by blood flow disturbance in the cochlea. However, direct evidence of blood flow disturbance in the cochlea is still lacking in most of the cases.

  521. Pseudostenosis of the internal carotid artery in 3D time-of-flight MR angiography: effects of a magnetization transfer contrast pulse and metallic material.

    Naganawa S, Koshikawa T, Sato K, Katagiri T, Mimura T, Ishigaki T, Aoki I

    Eur Radiol   13 巻 ( 10 ) 頁: 2298-2303   2003年

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    担当区分:筆頭著者   記述言語:英語   掲載種別:研究論文(学術雑誌)  

    Pseudostenosis or pseudoocclusion of the internal carotid artery in 3D time-of-flight MR angiography has been reported to be caused by susceptibility artifacts due to the presence of a metallic foreign body in the subject's neck. We experimentally demonstrate that the use of a non-slice-selective magnetization transfer contrast (MTC) pulse increases the degree of pseudostenosis, whereas slice-selective MTC does not. Selective MR angiography demonstrating this phenomenon was also performed. We then report a case that exhibited this phenomenon. We conclude that the magnetic field inhomogeneity induced by metallic material causes the non-slice-selective MTC pulse to act as a local presaturation pulse. Selective MR angiography using this phenomenon can be applied on varieties of MR scanners from different vendors.

  522. Regional ADC values of the normal brain: differences due to age, gender, and laterality. 査読有り

    Naganawa S, Sato K, Katagiri T, Mimura T, Ishigaki T

    Eur Radiol   13 巻 ( 1 ) 頁: 6-11   2003年

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    担当区分:筆頭著者   記述言語:英語   掲載種別:研究論文(学術雑誌)  

    The purpose of this study was to evaluate the stability of measurement for apparent diffusion coefficient (ADC) values in normal brain, to clarify the effect of aging on ADC values, to compare ADC values between men and women, and to compare ADC values between right and left sides of the brain. To evaluate the stability of measurements, five normal volunteers (four men and one woman) were examined five times on different days. Then, 294 subjects with normal MR imaging (147 men and 147 women; age range 20-89 years) were measured. The ADC measurement in normal volunteers was stable. The ADC values stayed within the 5% deviation of average values in all volunteers (mean+/-standard deviation 2.3+/-1.2%). The ADC values gradually increased by aging in all regions. In thalamus, no significant difference was seen between right and left in the subjects under 60 years; however, right side showed higher values in the subjects over 60 years (p<0.01). In the subjects under 60 years, women showed higher values in right frontal, bilateral thalamus, and temporal (p<0.01); however, in the subjects over 60 years, no region showed difference between men and women. The knowledge obtained in this study may be helpful to understand the developmental and aging mechanisms of normal brain and may be useful for the future quantitative study as a reference.

  523. Imaging of a congenital perilymphatic fistula. 査読有り

    Nakashima T, Sone M, Teranishi MA, Tominaga M, Sugiura M, Naganawa S

    Int J Pediatr Otorhinolaryngol   67 巻 ( 4 ) 頁: 421-425   2003年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    A 7-year-old boy with a history of purulent meningitis and watery rhinorrhea was studied using computed tomography (CT) and magnetic resonance imaging (MRI). He had a common cavity in the left inner ear. With high-resolution heavily T2-weighted MRI, leakage of the inner ear fluid into the middle ear at the oval window area through a congenital perilymphatic fistula could be visualized. Surgery to close the fistula showed a perforation in the stapes footplate.

  524. Determination of cerebrovascular reactivity by means of FMRI signal changes in cerebral microangiopathy: a correlation with morphological abnormalities.

    Hund-Georgiadis M, Zysset S, Naganawa S, Norris DG, Von Cramon DY.

    Cerebrovasc Dis   16 巻 ( 2 ) 頁: 158-165   2003年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  525. 超高磁場磁気共鳴画像診断(MRI)について

    長縄慎二

    健康文化振興財団紀要   38 巻   頁: 40-42   2002年4月

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    担当区分:筆頭著者   記述言語:日本語  

    はじめに

     脳ドックや腰椎の椎間板ヘルニア、膝の半月板損傷などで磁気共鳴画像診断(MRI)を受けられた方も多いと思います。MRIは磁石と電波をつかって体の断層像を得る検査です。X線CTと異なり、電離放射線被爆のない安全な検査で、この15年ほどで国内でも急速に普及しました。

     従来までは1.5T(テスラ)という磁石の強さが国内ではもっとも強いものでしたが、この3年ほどで超高磁場とよばれる3Tの製品が実用化されてきました。1Tは1万ガウスで、3Tは3万ガウスという強力な磁石です。今回は、この超高磁場MRIについて、述べてみたいと思います。

  526. Serial MR imaging studies in enlarged endolymphatic duct and sac syndrome.

    Naganawa S, Koshikawa T, Fukatsu H, Ishigaki T, Nakashima T

    Eur Radiol   12 巻 ( 3 ) 頁: 114-117   2002年

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    担当区分:筆頭著者   記述言語:英語   掲載種別:研究論文(学術雑誌)  

    Large vestibular aqueduct syndrome (LVAS) is a congenital disorder characterized by progressive or fluctuating sensorineural hearing loss of unknown etiology. Serial MR examinations were performed before and after the development of hearing loss in two patients with LVAS. The signal and volume of the enlarged endolymphatic sac (EES) vary even in ears with stable hearing. In ears with fluctuating hearing, changes in EES signals were observed in only one of two patients. The finding that the EES volume and signal intensity vary dynamically independently of hearing is important for future research into the pathophysiology of hearing loss in this syndrome.

  527. Regional differences of fMR signal changes induced by hyperventilation: comparison between SE-EPI and GE-EPI at 3-T. 査読有り

    Naganawa S, Norris DG, Zysset S, Mildner T

    J Magn Reson Imaging   15 巻 ( 1 ) 頁: 23-30   2002年

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    担当区分:筆頭著者   記述言語:英語   掲載種別:研究論文(学術雑誌)  

    PURPOSE: To evaluate whether reproducible signal change of brain tissues by hyperventilation (HV) can be seen on spin-echo (SE)-echo planar imaging (EPI) at 3-T and to examine the sensitivity of SE-EPI for measuring vascular reactivity in regions of the brain, such as the hippocampal formation, that are difficult to visualize with gradient-echo (GE)-EPI due to susceptibility artifacts. MATERIALS AND METHODS: Six healthy human subjects performed a voluntary HV task. The task design was as follows: two minutes normal breathing (rest) followed by two minutes HV, giving a basic four-minute block that was repeated three times for a total scan time of 12 minutes for one run. Each subject performed the run both for SE-EPI and GE-EPI. Statistical analysis was performed to detect the area with significant cerebrovascular reactivity. The percentage signal change was also obtained for each cerebral region. RESULTS: Both GE-EPI and SE-EPI showed globally significant signal decreases in the cerebral cortex. In GE-EPI, the frontal cortex showed a larger signal decrease than the other gray matter tissues (P < 0.05). In SE-EPI, the differences among gray matter tissues except for the hippocampal formation were not significant. The hippocampal formation showed the largest signal change (P < 0.05) in SE-EPI, but no significant signal change was observed in GE-EPI due to the presence of susceptibility artifacts. CONCLUSION: HV using SE-EPI at 3-T provides robust and reproducible signal decreases and may make the evaluation of the vascular reactivity in hippocampal formation feasible.

  528. Fast recovery 3D fast spin-echo MR imaging of the inner ear at 3 T. 査読有り

    Naganawa S, Koshikawa T, Fukatsu H, Ishigaki T, Aoki I, Ninomiya A

    AJNR Am J Neuroradiol   23 巻 ( 2 ) 頁: 229-302   2002年

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    担当区分:筆頭著者   記述言語:英語   掲載種別:研究論文(学術雑誌)  

    High-resolution MR imaging of the inner ear with a heavily T2-weighted 3D fast spin-echo sequence has been performed successfully at 1.5 T. However, at 3 T, the longer T1 time of CSF necessitates a longer TR, resulting in significantly prolonged imaging times. In this study, the fast recovery 3D fast spin-echo sequence, which permits the TR to be reduced while maintaining T2 contrast, was optimized at 3 T for imaging of the inner ear. The optimized sequence parameters are as follows: 1500/294 (TR/TE); echo spacing, 18.1 ms; bandwidth, 38 kHz at 512 readout; and imaging time, 13 minutes.

  529. Contrast-enhanced MR imaging of the endolymphatic sac in patients with sudden hearing loss. 査読有り

    Naganawa S, Koshikawa T, Fukatsu H, Ishigaki T, Nakashima T, Ichinose N

    Eur Radiol   12 巻 ( 5 ) 頁: 1121-1126   2002年

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    担当区分:筆頭著者   記述言語:英語   掲載種別:研究論文(学術雑誌)  

    Our objective was to evaluate the frequency of contrast enhancement of the endolymphatic sac in patients with sudden hearing loss. Forty consecutive patients with sudden sensorineural hearing loss (20 males and 20 females; age range 11-82 years), 40 age-matched control subjects, and 5 patients with Meniere's disease were examined using the same imaging protocol on a 1.5-T MR system. Pre- and post-contrast-enhanced T1-weighted 3D spoiled gradient-echo sequence (3D SPGR; TR/TE=23/10 ms, no. of excitations=1, flip angle=30 degrees) images were obtained using a voxel size of 0.6 x 0.7 x 0.8 mm(3). Contrast enhancement in the area of the endolymphatic sac was assessed by two radiologists, and the frequency of contrast enhancement was compared between the three study groups. Enhancement of the ipsilateral endolymphatic sac was observed in 30 of the 40 patients with sudden hearing loss (75%). Twenty of these 30 patients also showed enhancement on the contralateral side, and 1 patient showed enhancement only on the contralateral side. Only 1 of the 5 patients with Meniere's disease showed enhancement. Nine of the 40 control subjects (22.5%) showed enhancement (bilateral enhancement in 5 subjects, unilateral in 4). The frequency of enhancement in patients with sudden hearing loss was significantly higher than that in control subjects ( P<0.0001) or patients with Meniere's disease ( P<0.05). The frequency of contrast enhancement of the endolymphatic sac is significantly increased in patients with sudden hearing loss, but further study is necessary to clarify the relationship between this finding and the pathophysiology of sudden hearing loss.

  530. The role of contrast-enhanced MR mammography for determining candidates for breast conservation surgery. 査読有り

    Zhang Y, Fukatsu H, Naganawa S, Satake H, Sato Y, Ohiwa M, Endo T, Ichihara S, Ishigaki T

    Breast Cancer   9 巻 ( 3 ) 頁: 231-239   2002年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    PURPOSE: The aim of this study was to assess the impact of preoperative magnetic resonance mammography (MRM) on the surgical determination of breast conservation treatment for breast cancer patients. METHODS: From September 1997 to March 2000, 57 consecutive breast conservation treatment candidates were prospectively evaluated with conventional imaging studies (mammography and ultrasonography) and preoperative MRM. RESULTS: In 47 of 54 (87% ) breast cancer patients breast conservation surgery (BCS) was indicated on the basis of mammography (MMG) and ultrasonography (US). However in 40 of the 54 (74% ) patients BCS was indicated on the basis of MRM. Thirty-eight of the 40 patients ultimately underwent BCS and only 1 showed a positive margin. There were 7 patients whose MRM findings suggested that more aggressive treatment than BCS was needed but for whom US/MMG suggested that BCS was appropriate. Five of the 7 patients underwent mastectomy rather than BCS based on the MRM findings, which were justified by post-surgical histological findings. Of the 2 remaining patients who underwent BCS, one had a positive histological margin and one had recurrence, both of which resulted in salvage mastectomy. CONCLUSION: Our study suggests that high resolution preoperative MRM provides more accurate information compared with US and MMG for selecting candidates for BCS. Using MRM as a routine staging tool may reduce unnecessary repeated excisions. A larger study will be required to confirm these findings and to define the patients most likely to benefit from breast MR imaging.

  531. High-spatial-resolution MR cisternography of the cerebellopontine angle in 90 seconds with a zero-fill interpolated fast recovery 3D fast asymmetric spin-echo sequence. 査読有り

    Nakamura T, Naganawa S, Koshikawa T, Fukatsu H, Sakurai Y, Aoki I, Ninomiya A, Ishigaki T

    AJNR Am J Neuroradiol   23 巻 ( 8 ) 頁: 1407-1412   2002年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    BACKGROUND AND PURPOSE: Although the 12-minute 3D fast asymmetric spin-echo (FASE) protocol for imaging the inner ear has been satisfactory, reducing imaging time to minimize patient discomfort and maximize system throughput is desirable. We therefore evaluated the performance of a zero-fill interpolated (ZIP) fast recovery 3D FASE sequence in screening for cerebellopontine (CP) angle lesions in 90 seconds. METHODS: Thirty consecutive patients known or suspected to have CP angle lesions underwent MR imaging at 1.5 T with use of bilateral quadrature phased-array coils designed for examination of the CP angle. Conventional 3D FASE images (4000/240/1 [TR/TE/NEX]) were obtained in 11 minutes 48 seconds with a field of view (FOV) of 16 cm, matrix of 512 x 512 x 40, section thickness of 0.8 mm, and echo train length of 80. Then, ZIP fast recovery 3D FASE images (2000/240/1) were obtained in 90 seconds by using the same FOV. Contrast-enhanced T1-weighted 3D spoiled gradient-echo (SPGR) images were obtained as the reference standard. Three radiologists evaluated the images independently. Conventional 3D FASE and ZIP fast recovery 3D FASE images were reviewed at separate sessions. RESULTS: On 3D SPGR images, 10 tumors were detected in 10 of the 30 patients. All lesions were depicted with both 3D FASE protocols. There were no false-positive results with either 3D FASE protocol. Both protocols showed 100% sensitivity and 100% specificity for all three reviewers. CONCLUSION: High-spatial-resolution MR cisternography with the ZIP fast recovery 3D FASE protocol in 90 seconds results in a substantial reduction (by a factor of about eight) in the time required for screening for CP angle lesions compared with the previously reported conventional 3D FASE protocol, while maintaining high sensitivity and specificity.

  532. Tympanometric findings in patients with enlarged vestibular aqueducts. 査読有り

    Sato E, Nakashima T, Lilly DJ, Fausti SA, Ueda H, Misawa H, Uchida Y, Furuhashi A, Asahi K, Naganawa S

    Laryngoscope   112 巻 ( 9 ) 頁: 1642-1646   2002年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    OBJECTIVES: The purpose of this study was to study systematically some relationships between the resonance frequency of the middle-ear transmission system and the volume of the endolymphatic duct and sac in patients with an enlarged vestibular aqueduct (EVA). STUDY DESIGN: Prospective study. METHODS: Thirteen patients (24 ears) with EVA, 17 subjects (29 ears) with normal hearing, and 17 patients (21 ears) with sensorineural hearing loss without EVA served as experimental subjects. Standard pure-tone audiometry, standard clinical tympanometry (using a 226-Hz probe tone), and multifrequency tympanometry were performed on each ear. Magnetic resonance imaging was used to determine the area of the cochlear modiolus and the volume of the endolymphatic duct and sac. RESULTS: The audiometric configurations for most patients sloped downward from the low to the high frequencies. A significant air-bone gap was computed at each of these test frequencies. Multifrequency tympanometry yielded resonance frequencies for the patients with EVA that was significantly lower than those measured for the control subjects. In general, for patients with EVA, the resonance frequency of the middle ear system decreased as the volume of the endolymphatic duct and sac increased. This inverse relation was significant (correlation coefficient = -0.483, P =.0157). However, there was no correlation between resonance frequency and the degree of cochlea modiolar deficiency. CONCLUSIONS: Clinically, our findings suggest that EVA probably should be included in the differential diagnosis for a patient who presents with a moderate to severe mixed hearing loss, a normal tympanogram at 226 Hz, and a resonance frequency that is abnormally low.

  533. 脳の機能的MRI画像

    長縄慎二

    現代医学   49 巻 ( 3 ) 頁: 363-368   2002年

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    担当区分:筆頭著者   記述言語:日本語  

  534. CT and MR imaging of pancreatic cancer.

    Ishiguchi T, Ota T, Naganawa S, Fukatsu H, Itoh S, Ishigaki T.

    Hepatogastroenterology   48 巻 ( 40 ) 頁: 923-927   2001年7月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    Recent improvements in imaging techniques have made it possible to improve the diagnostic accuracy for detection, staging, and indicating surgical resectability of pancreatic cancer. The latest advance in the computed tomography technique, is the introduction of subsecond multislice helical scanning that improves z-axis resolution in the reformatted images and three-dimensional rendering with a large volume data. Magnetic resonance imaging provides versatile information including magnetic resonance cholangiopancreatography that allows noninvasive delineation of the pancreatic and biliary duct systems. The presence of pancreatic cancer may best be evaluated by dynamic computed tomography or dynamic magnetic resonance imaging with administration of intravenous contrast material. Both computed tomography and magnetic resonance imaging are valuable for the preoperative assessment of local invasion and vascular involvement. Multislice helical computed tomography is currently considered as the best single modality for the diagnosis of pancreatic cancer as it provides excellent image quality. When advanced magnetic resonance imaging equipment is used as a primary modality, in the future, it may have a possibility to replace other imaging modalities.

  535. Phenotypes associated with replacement of His by Arg in the Pendred syndrome gene.

    Sato E, Nakashima T, Miura Y, Furuhashi A, Nakayama A, Mori N, Murakami H, Naganawa S, Tadokoro M

    Eur J Endocrinol   145 巻 ( 6 ) 頁: 697-703   2001年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    BACKGROUND: Pendred syndrome is often associated with inner ear malformations, especially enlarged vestibular aqueduct (EVA). Recently, mutations in the Pendred syndrome gene (PDS) have been reported in patients with EVA, in addition to those with classical Pendred syndrome. OBJECTIVE: The aim of this study was to investigate the genotype-phenotype correlations of PDS. METHODS: Each of the 21 exons and flanking splice regions of PDS was analysed by direct DNA sequencing in nine patients with EVA; allele-specific amplification was performed to confirm the mutation. Genetic analyses were compared with thyroid function tests, perchlorate discharge tests, thyroid volume and pure-tone audiogram. Magnetic resonance imaging was used to determine the volume of the endolymphatic duct and sac of each patient. RESULTS: A missense mutation, H723R, was identified in the homozygous state in three patients and in the heterozygous state in another three. Although none of the patients had goitre, increased serum thyroglobulin and an abnormal degree of iodide release were correlated with the number of mutant alleles identified. However, there was no relationship between the degree of hearing loss and the number of mutant alleles. CONCLUSION: The present study reveals that the number of mutant alleles correlates with the degree of subclinical thyroid abnormality, but not with the degree of hearing loss in Japanese patients with the PDS missense mutation H723R.

  536. Accuracy of plastic replica of aortic aneurysm using 3D-CT data for transluminal stent-grafting: experimental and clinical evaluation. 査読有り

    Kato K, Ishiguchi T, Maruyama K, Naganawa S, Ishigaki T

    J Comput Assist Tomogr   25 巻 ( 2 ) 頁: 300-304   2001年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    PURPOSE: To plan stent-grafting for aortic aneurysms with complicated morphology, we prepared life-sized aortic replicas by laser stereolithography using helical 3D--CT data. The accuracy of the replica was evaluated by measurement of vessel phantoms and clinical 3D--CT data. METHOD: An imaginary aortic wall was created from helical CT images of the aorta, and a hollow plastic replica was produced by laser stereolithography. The accuracy of the replica was evaluated in five abdominal aortic aneurysms by experimental phantom studies and measurements of the replicas. RESULTS: The mean difference in measurements between 3D--CT images and model vessels and between 3D--CT images and aortic replicas was 0.2 mm each. Therefore, the difference in measurements between real aortic aneurysms and the replicas was at most 0.4 mm. CONCLUSION: The accuracy of the replica is satisfactory, making it useful for preoperative evaluation and simulation for stent-grafting.

  537. Virtual endoscopy of the labyrinth, using a 3D-FastASE sequence. 査読有り

    Naganawa S, Iwayama E, Koshikawa T, Fukatsu H, Ishigaki T, Ninomiya A, Aoki I

    J Magn Reson Imaging   13 巻 ( 5 ) 頁: 792-796   2001年

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    担当区分:筆頭著者   記述言語:英語   掲載種別:研究論文(学術雑誌)  

    Virtual endoscopy (VE) of the labyrinth was performed using three-dimensional (3D)-fast asymmetric spin-echo MR imaging. The spatial resolution requirements and the usefulness of zero-fill interpolation (ZIP) were evaluated, and VE was used to examine three patients. The (0.6-mm) voxel data with ZIP satisfies the minimum requirements for VE for evaluation of the complex 3D anatomy and pathology of the labyrinth. J. Magn. Reson. Imaging 2001;13:792-796.

  538. Aortoiliac stenooculusive disease and aneurysms: screening with non-contrast enhanced two-dimensional cardiac gated cine phase contrast MR angiography with multiple velocity encoded values and cardiac gated two-dimensional time-of-flight MR angiography. 査読有り

    Naganawa S, Koshikawa T, Kato K, Ishiguchi T, Ishigaki T, Sato K, Katagiri T, Kishimoto H, Mimura T, Takizawa O, Imura C

    Radiat Med   19 巻 ( 2 ) 頁: 99-105   2001年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    PURPOSE: To evaluate the performance of two-dimensional cine phase contrast MRA with multi-velocity encoded values (multi-VENC cine PC) and ECG-gated two-dimensional time-of-flight MRA (ECG-2D-TOF) for the detection of stenoocclusive lesions and aneurysms in the aortoiliac area, when each method was used individually and when the two methods were used together. METHODS: Forty-one patients were included in this study. Multi-VENC cine PC and ECG-2D-TOF were obtained first, then contrast enhanced three-dimensional magnetic resonance angiography (CE-3D-MRA) was performed as the standard of reference. Two observers reviewed the images separately without knowledge of patients' symptoms or histories. Sensitivities and specificities were obtained separately for stenooclusive lesions and aneurysms by two reviewers. RESULTS: When the two methods were applied together, high sensitivities (93.0 by observer 1 and 91.9% by observer 2) and adequate specificities (87.6 and 82.3%) were obtained for stenoocclusive lesions. For aneurysms, moderate to high sensitivities (91.1 and 71.1%) and high specificities (98.8 and 99.4%) were obtained. CONCLUSION: These results suggest that the performance of two non-contrast enhanced MRA techniques may be valuable as a screening tool when the two methods are applied together.

  539. MR cisternography of the cerebellopontine angle: comparison of three-dimensional fast asymmetrical spin-echo and three-dimensional constructive interference in the steady-state sequences. 査読有り

    Naganawa S, Koshikawa T, Fukatsu H, Ishigaki T, Fukuta T

    AJNR Am J Neuroradiol   22 巻 ( 6 ) 頁: 1179-1185   2001年

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    担当区分:筆頭著者   記述言語:英語   掲載種別:研究論文(学術雑誌)  

    BACKGROUND AND PURPOSE: MR cisternography has been used as the noninvasive screening tool of the cerebellopontine angle. The purpose of this study was to directly compare two currently dominant types of sequences for heavily T2-weighted MR cisternography. METHODS: Three-dimensional fast asymmetric spin-echo (3D-FASE) sequences, which are 3D half-Fourier rapid acquisition with relaxation enhancement and 3D constructive interference in the steady-state (3D-CISS) sequences, were compared on a clinical 1.5-T MR unit using the same scan times. In five healthy volunteers, the contrast-to-noise ratio (C/N) between CSF and the cerebellum was measured at three locations. Then, for qualitative analysis, the quality of the labyrinth was scored on the original source multiplanar reformatted images, the virtual endoscopic images, and the maximum intensity projection (MIP) images. In 20 consecutive patients with suspected cerebellopontine angle tumors, visualization of the tumors was evaluated using 3D contrast-enhanced spoiled gradient-echo imaging as the standard of reference. RESULTS: Both sequences showed comparable mean C/N values; however, in qualitative analysis, the scores for 3D-CISS on the source, virtual endoscopic, and MIP images were significantly lower than those on the images obtained with 3D-FASE, owing to more prominent flow and magnetic susceptibility artifacts on the 3D-CISS sequences. In all subjects, discontinuity of the semicircular canals was seen on the virtual endoscopic and MIP images obtained with 3D-CISS, owing to susceptibility artifacts, but not on those obtained with 3D-FASE. All 12 tumors were detected by both sequences, but 3D-CISS gave one false-positive result. CONCLUSION: 3D-FASE is considered the method of choice because artifacts are reduced and specificity is increased.

  540. Contrast-enhanced MR angiography of the carotid artery using 3D time-resolved imaging of contrast kinetics: comparison with real-time fluoroscopic triggered 3D-elliptical centric view ordering. 査読有り

    Naganawa S, Koshikawa T, Fukatsu H, Sakurai Y, Ichinose N, Ishiguchi T, Ishigaki T

    Radiat Med   19 巻 ( 4 ) 頁: 185-192   2001年

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    担当区分:筆頭著者   記述言語:英語   掲載種別:研究論文(学術雑誌)  

    PURPOSE: To evaluate contrast-enhanced MR angiography using the 3D time-resolved imaging of contrast kinetics technique (3D-TRICKS) by direct comparison with the fluoroscopic triggered 3D-elliptical centric view ordering (3D-ELLIP) technique. METHODS: 3D-TRICKS and 3D-ELLIP were directly compared on a 1.5-Tesla MR unit using the same spatial resolution and matrix. In 3D-TRICKS, the central part of the k-space is updated more frequently than the peripheral part of the k-space, which is divided in the slice-encoding direction. The carotid arteries were imaged using 3D-TRICKS and 3D-ELLIP sequentially in 14 patients. Temporal resolution was 12 sec for 3D-ELLIP and 6 sec for 3D-TRICKS. The signal-to-noise ratio (S/N) of the common carotid artery was measured, and the quality of MIP images was then scored in terms of venous overlap and blurring of vessel contours. RESULTS: No significant difference in mean S/N was seen between the two methods. Significant venous overlap was not seen in any of the patients examined. Moderate blurring of vessel contours was noted on 3D-TRICKS in five patients and on 3D-ELLIP in four patients. Blurring in the slice-encoding direction was slightly more pronounced in 3D-TRICKS. However, qualitative analysis scores showed no significant differences. CONCLUSION: When the spatial resolution of the two methods was identical, the performance of 3D-TRICKS was found to be comparable in static visualization of the carotid arteries with 3D-ELLIP, although blurring in the slice-encoding direction was slightly more pronounced in 3D-TRICKS. 3D-TRICKS is a more robust technique than 3D-ELLIP, because 3D-ELLIP requires operator-dependent fluoroscopic triggering. Furthermore, 3D-TRICKS can achieve higher temporal resolution. For the spatial resolution employed in this study, 3D-TRICKS may be the method of choice.

  541. MR labyrinthographyとMR cisternography

    長縄慎二

    日本医学放射線学会雑誌付録   61 巻   頁: 2-6   2001年

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    担当区分:筆頭著者   記述言語:日本語   掲載種別:研究論文(学術雑誌)  

  542. ECR2001印象記

    長縄慎二

    映像情報メディカル   33 巻   頁: 516-519   2000年5月

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    担当区分:筆頭著者   記述言語:日本語  

  543. MR imaging of the enlarged endolymphatic duct and sac syndrome by use of a 3D fast asymmetric spin-echo sequence: volume and signal-intensity measurement of the endolymphatic duct and sac and area measurement of the cochlear modiolus. 査読有り

    Naganawa S, Koshikawa T, Iwayama E, Fukatsu H, Ishiguchi T, Ishigaki T, Ikeda M, Nakashima T, Ichinose N

    AJNR Am J Neuroradiol   21 巻 ( 9 ) 頁: 1664-1669   2000年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    BACKGROUND AND PURPOSE: In enlarged endolymphatic duct (EED) and sac (EES) syndrome, deformity of the EED and EES is congenital; however, hearing loss is acquired. To investigate the pathophysiology of progressive sensorineural hearing loss in EED and EES syndrome, we measured the volume of the EED and EES, the diameter of the EED and EES, the area of the cochlear modiolus, and the signal intensity of the EES and compared our findings against degree of hearing loss. METHODS: Thin-section MR images of 33 ears in 17 patients with EED and EES syndrome were studied. All studies were obtained on a 1.5-T MR unit using a quadrature surface phased-array coil. Heavily T2-weighted 3D fast asymmetric spin-echo images were obtained with a voxel size of 0.3 x 0.3 x 0.8 mm without zero-fill interpolation. Two radiologists traced the areas of the EED and EES manually, and the volume was calculated. The area of the cochlear modiolus, diameter of the EED and EES, and signal intensity of the EES were also measured by drawing regions of interest manually. The signal intensity ratio of EES/CSF was calculated. These measured values were compared against audiographic data, and the degree of linear correlation was determined. RESULTS: The volume of the EED and EES, the area of the modiolus, the diameter of the EED and EES, and the signal intensity of the EES did not show significant correlation with degree of hearing loss. CONCLUSION: These findings suggest that there is a microscopic area of damage or fragility in the inner ear not visible even with thin-section heavily T2-weighted MR imaging.

  544. Real-time interactive MR imaging system: sequence optimization, and basic and clinical evaluations. 査読有り

    Naganawa S, Ishiguchi T, Ishigaki T, Sato K, Katagiri T, Kishimoto H, Mimura T, Takizawa O, Imura C

    Radiat Med   18 巻 ( 1 ) 頁: 71-79   2000年

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    担当区分:筆頭著者   記述言語:英語   掲載種別:研究論文(学術雑誌)  

    A real-time interactive MR imaging system (real-time MRI) is an MR scanner which has a fast image updating cycle and the ability to freely change slice orientation, just like an ultrasound imaging system. Recently, such a system has been developed and installed on a clinical 1.5-Tesla system. The purpose of this study was to optimize the pulse sequences for clinical use and to evaluate the clinical usefulness and basic functionality of real-time MRI. For T1-weighted imaging, FLASH (fast low angle shot) can be selected, and up to 5 frames per second can be acquired depending on the matrix size. For T2-weighted imaging, true FISP (fast imaging with steady-state precession) can be selected, and up to 4 frames per second can be acquired. Maximum C/N between liver and spleen was obtained at a flip angle of 20 degrees on FLASH. Maximum C/N between cardiac cavity and wall was obtained at a flip angle of 60 degrees on true FISP. Localization of the right and left coronary arteries could be performed within 30 seconds in three volunteers. Although the present real-time MRI system has drawbacks such as low spatial resolution and relatively low contrast resolution, we expect real-time MRI to be one of the most important tools for future clinical MRI.

  545. Water fat separation using the single acquisition "sandwich" type 3-point Dixon method to optimize knee joint scans. 査読有り

    Shibahara E, Fukatsu H, Naganawa S, Ito T, Iwayama E, Ishigaki T, Segawa T, Zhang W

    Nagoya J Med Sci   63 巻 ( 1-2 ) 頁: 41-49   2000年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    In this paper, we tried to evaluate the effect of water-fat separation on and to optimize the scan condition of the newly developed "Sandwiched" 3-point Dixon method at 0.35 Tesla (T), for knee joint imaging. Using a 0.35T superconductive open magnet system with a solenoid type knee coil, one male and two female normal volunteers (27-37 y.o.) underwent knee joint imaging. Each sequence provided good water-fat separated images. At 0.35T, the gradient echo provided a better contrast than the spin echo. Optimal cartilage-marrow and cartilage-fluid contrast could be obtained at a frip angle (FA) of 90 degrees. There was no significant correlation between cartilage-marrow, cartilage-fluid contrast and repetition time (TR) values within the tested range. Cartilage-fluid and cartilage-marrow contrast were both best at an FA of 90 degrees with the gradient echo sequence. TR from 350 ms to 650 ms did not cause any significant contrast difference in the fat suppressed images. This method is useful and could be the only practical choice for obtaining fat suppressed T1 weighted images for joint magnetic resonance (MR) imaging at 0.35T.

  546. Stent-graft placement for pseudoaneurysm of the aorta. 査読有り

    Maruyama K, Ishiguchi T, Kato K, Naganawa S, Itoh S, Sakurai T, Ishigaki T

    Radiat Med   18 巻 ( 3 ) 頁: 177-185   2000年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    PURPOSE: To evaluate the use of endovascular stent-graft placement to repair pseudoaneurysm of the aorta. METHODS: Six patients were treated with stent-grafts for pseudoaneurysms located in the thoracic aorta (n=2), thoracoabdominal aorta (n=3), and abdominal aorta (n=1). Etiologies of the pseudoaneurysms included leakage from surgical graft, penetrating atherosclerotic ulcer, pneumonia, perforated esophageal ulcer, and mycotic aneurysm. All patients were clinically considered to be at high surgical risk. RESULTS: Stent-grafts were successfully placed in all patients. There was one death in the perioperative period due to massive hemoptysis before stent-grafting. Two patients died of persistent infection. One patient with persistent perigraft leak died of rupture. Two other patients needed no further therapy for pseudoaneurysm. CONCLUSION: Stent-graft placement for pseudoaneurysm of the aorta can play the role of a temporizing method prior to surgical repair in high-risk cases and be a therapeutic alternative in cases without infection or perigraft leakage.

  547. Arachnoid granulations on high-resolution MR images and diffusion-weighted MR images: normal appearance and frequency. 査読有り

    Koshikawa T, Naganawa S, Fukatsu H, Ishiguchi T, Ishigaki T

    Radiat Med   18 巻 ( 3 ) 頁: 187-191   2000年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    Arachnoid granulations (AGs), protrusions into the cerebral venous sinus lumen, have been reported on cerebral venography, contrast enhanced CT, and conventional MR imaging. Although thin-sliced high-resolution MR images and diffusion-weighted images are frequently obtained, there have been no detailed reports concerning AGs on these images. In this study, the frequency and positional distribution of AGs in the transverse sinus was investigated on thin-sliced high-resolution MR images, and their appearance on diffusion-weighted MR images was evaluated. At least one AG was found in 107 of 151 subjects (70.9%). No statistically significant differences were noticed between males and females or between the right and left sides. No significant correlations between age and size or between age and the number of AGs were noted. On diffusion-weighted images, all AGs showed iso-intensity to normal brain tissue, which was higher than the reported signal intensity of arachnoid cyst and lower than that of epidermoids. In conclusion, AGs are normal structures that are frequently found in the cerebral venous sinuses on high-resolution MR images. Knowledge regarding their frequency and normal appearance would be helpful to avoid confusion between pathological processes and AGs. It is also important to know that AGs are frequently found even in the younger population.

  548. Air-bone gap and resonant frequency in large vestibular aqueduct syndrome. 査読有り

    Nakashima T, Ueda H, Furuhashi A, Sato E, Asahi K, Naganawa S, Beppu R

    Am J Otol   21 巻 ( 5 ) 頁: 671-674   2000年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    BACKGROUND: Conductive hearing loss is occasionally recognized in large vestibular aqueduct (LVA) syndrome; however, the incidence rate and the cause are not known. OBJECTIVE: To compare air and bone conduction levels between patients with LVA syndrome and those with idiopathic sudden sensorineural hearing loss, and to investigate the cause of the air-bone gap. STUDY DESIGN: Retrospective study. SETTING: The patients were treated at a tertiary referral center. PATIENTS: Twenty-eight ears of 15 patients with LVA syndrome and 28 ears of patients with idiopathic sudden sensorineural hearing loss were examined. The latter patients were selected from a computerized database to match the former patients in air conduction levels. MAIN OUTCOME MEASURES: Pure-tone audiometry, multiple frequency tympanometry, acoustic reflex, otoacoustic emission, vestibular evoked myogenic response. RESULTS: The air-bone gap in patients with LVA syndrome was always larger than that in patients with idiopathic sudden sensorineural hearing loss with the same air conduction level. The resonant frequency in patients with LVA syndrome was rather low compared with that in normal control subjects, in contrast to the finding that resonant frequency was significantly high in patients with otosclerosis. CONCLUSIONS: An air-bone gap exists to some degree in almost all patients with LVA syndrome. The air-bone gap may not be associated with the movement restriction of the stapes as it is with otosclerosis.

  549. 内耳MRIの現状と展望

    長縄慎二 越川都紀子 深津博 石垣武男

    映像情報メディカル 臨時増刊号 ビジュアルブックシリーズ   32 巻   頁: 46-52   2000年

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    担当区分:筆頭著者   記述言語:日本語  

  550. MR hydrographyの臨床応用, 耳鼻科領域

    長縄慎二、伊藤都紀子

    画像診断   19 巻 ( 7 ) 頁: 755-763   1999年7月

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    担当区分:筆頭著者   記述言語:日本語  

    耳鼻科領域

  551. MR imaging of the cerebollo pontine argle using a 3D fast spin echo sequence

    Medical Imaging International   9 巻 ( 2 ) 頁: 16-19   1999年

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    記述言語:英語  

  552. High-resolution MR cisternography of the cerefellopintine angle, of tired in a 0.35-T Open MR unit

    American Journal of Neuro radiology(AJNR)   20 巻 ( 6 ) 頁: 1143-1147   1999年

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    記述言語:英語  

  553. Fetal sacrococcygesl terotoma visualized by ultrafast T2 Wighted megnetic resonance imaging

    International Journal of gynecology and obstetrics   65 巻   頁: 191-193   1999年

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    記述言語:英語  

  554. MR hydrographyの臨床応用耳鼻科銭域

    画像診断   19 巻 ( 7 ) 頁: 755-763   1999年

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    記述言語:日本語  

  555. High-resolution MR images of inner ear internal anatomy using a local gradient coil at 1.5 Tesla: correlation with histological specimen. 査読有り

    Ito T, Naganawa S, Fukatsu H, Ishiguchi T, Ishigaki T, Kobayashi M, Kobayashi K, Ichinose N, Miyazaki M, Kassai Y

    Radiat Med   17 巻 ( 5 ) 頁: 343-347   1999年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    PURPOSE: To obtain high-resolution MR images of the inner ear at 1.5 Tesla with a local gradient coil and to correlate these images with the histological specimen. MATERIALS AND METHODS: All studies were performed on a 1.5 Tesla MR unit with a local gradient coil (23 mT/m, slew rate of 107 mT/m/ms). The cranio-facial region of a cadaver was examined using 3D-fast spin echo (FSE) imaging with the voxel size of 0.27 mm x 0.27 mm x 0.5 mm in 9 h 37 min. Two normal volunteers were examined with the same system using 3D-FSE imaging with the voxel size of 0.20 mm x 0.26 mm x 1.0 mm in 57 min. These images were correlated with the cadaver images and histological specimens. RESULTS: On cadaver images, internal structures such as the macula utriculi, macula sacculi, crista ampullaris, lamina spiralis ossea, ligamentum spirale cochleae, modiolus, scala tympani, scala vestibuli, and cochlear aqueduct were visualized. On the images of both volunteers, the same structures were visualized as on the cadaver images. CONCLUSIONS: This study confirmed that high-resolution MR images obtained at 1.5 Tesla can visualize inner ear internal anatomy. Knowledge obtained in this study may be of significant value for the diagnosis of pathology in the area of the inner ear.

  556. High-resolution MR cisternography of the cerebellopontine angle: 2D versus 3D fast spin-echo sequences. 査読有り

    Iwayama E, Naganawa S, Ito T, Fukatsu H, Ikeda M, Ishigaki T, Ichinose N

    AJNR Am J Neuroradiol   20 巻 ( 5 ) 頁: 889-895   1999年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  557. Clinical evaluation of three-dimensional MR-cholangiopancreatography using three-dimensional Fourier transform fast asymmetric spin echo method (3DFT-FASE): usefulness of observation by multi-planar reconstruction. 査読有り

    Yamakawa K, Naganawa S, Maruyama K, Kato T, Fukatsu H, Ishigaki T

    Radiat Med   17 巻 ( 1 ) 頁: 15-19   1999年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    MR-cholangiopancreatography (MRCP) is a new method that is non-invasive and permits volume data collection and three-dimensional expression. With the three-dimensional Fourier transform fast asymmetric spin echo (3DFT-FASE) method, a higher spatial resolution can be obtained both in-pain and in slice selecting direction. In this paper, the usefulness of this new technique is investigated in the clinical diagnosis of MIP images and MPR. The study was performed in 10 normal volunteers and 21 patients with abnormalities in the pancreas or bile-duct sustem. The study was done using a 1.5 Tesla super-conductive machine. The MRCP images were interpreted by three radiologists. In most cases good images were obtained. The additional clinical information provided by MPR was remarkably useful in cystic lesions, especially in mucinous cystic neoplasm of the pancreas. Even when the intestine overlapped the pancreas, it was possible to evaluate the pancreatic duct by MPR. Three-dimensional observation and clinically useful diagnosis were possible by utilizing the advantageds of the 3DFT-FASE method appears quite useful in clinical application.

  558. Fetal sacrococcygeal teratoma visualized by ultra-fast T2 weighted magnetic resonance imaging. 査読有り

    Okamura M, Kurauchi O, Itakura A, Naganawa S, Watanabe Y, Mizutani S

    Int J Gynaecol Obstet   65 巻 ( 2 ) 頁: 191-193   1999年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    We report here a fetal sacrococcygeal teratoma found at 26 weeks of gestation. An ultra-fast T2 weighted imaging method enables the clear visualization of morphological details of the fetus without motion artifacts. Complete surgical resection was performed immediately after cesarean birth, and no evidence of tumor recurrence was confirmed at 1 year of age.

  559. High-resolution MR cisternography of the cerebellopontine angle, obtained with a three-dimensional fast asymmetric spin-echo sequence in a 0.35-T open MR imaging unit. 査読有り

    Naganawa S, Ito T, Iwayama E, Fukatsu H, Ishigaki T

    AJNR Am J Neuroradiol   20 巻 ( 6 ) 頁: 1143-1147   1999年

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    担当区分:筆頭著者   記述言語:英語   掲載種別:研究論文(学術雑誌)  

    High-resolution MR cisternography performed with 3D fast asymmetric spin-echo imaging (3D fast spin-echo with an ultra-long echo train length and asymmetric Fourier imaging) was optimized in a 0.35-T open MR imaging unit. The 0.35- and 1.5-T images of the two volunteers and three patients with acoustic schwannomas were then compared. The optimal parameters for images obtained by 3D fast asymmetric spin-echo imaging at 0.35 T were as follows: field of view, 15 cm; matrix, 256 x 256 x 40; section thickness, 1 mm; echo train length, 76; and imaging time, 10 minutes 44 seconds. Scans obtained from both normal volunteers showed the facial, cochlear, and superior and inferior vestibular nerves separately in the internal auditory canal on both 0.35- and 1.5-T images. All three acoustic schwannomas were depicted on both 0.35- and 1.5-T images. Screening for disease at the cerebellopontine angle and in the internal auditory canal, without the administration of contrast material on a low-field open MR imaging unit and within a clinically acceptable imaging time, may be possible. Further controlled prospective studies are required, however, before implementation on a wide basis. If proved effective, this may be of particular value for reducing healthcare costs and for imaging claustrophobic and pediatric patients in an open system.

  560. Magnitude subtraction vs. complex subtraction in dynamic contrast-enhanced 3D-MR angiography: basic experiments and clinical evaluation. 査読有り

    Naganawa S, Ito T, Iwayama E, Fukatsu H, Ishiguchi T, Ishigaki T, Ichinose N

    J Magn Reson Imaging   10 巻 ( 5 ) 頁: 813-820   1999年

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    担当区分:筆頭著者   記述言語:英語   掲載種別:研究論文(学術雑誌)  

    Magnitude subtraction and complex subtraction in dynamic contrast-enhanced three-dimensional magnetic resonance (3D-MR) angiography were compared using a phantom and 23 human subjects. In phantom studies, complex subtraction showed far better performance than magnitude subtraction, especially for longer echo times, with thicker slices, and without fat suppression. With complex subtraction, non-fat-suppressed studies showed contrast-to-noise ratios comparable to those in fat-suppressed studies. In human subjects, complex subtraction was superior to magnitude subtraction in 9 subjects, but comparable to magnitude subtraction in 14 subjects. There were no cases in which magnitude subtraction was superior to complex subtraction. Although the differences observed in human studies when complex subtraction was applied with thinner slices, shorter echo times, and the fat-suppression technique were not as pronounced as those seen in phantom studies, complex subtraction should be performed in dynamic contrast-enhanced 3D-MR angiography because there are no drawbacks in complex subtraction. Further research is necessary to assess the feasibility of dynamic contrast-enhanced 3D-MR angiography without fat suppression in human subjects using complex subtraction, as suggested by the results of phantom studies. If it is found to be feasible, dynamic contrast-enhanced 3D-MR angiography without fat suppression using complex subtraction may prove to be a robust technique that eliminates the need for shimming and can reduce the acquisition time. J. Magn. Reson. Imaging 1999;10:813-820.

  561. MR imaging of the cochlear modiolus: area measurement in healthy subjects and in patients with a large endolymphatic duct and sac. 査読有り

    Naganawa S, Ito T, Iwayama E, Fukatsu H, Ishigaki T, Nakashima T, Ichinose N

    Radiology   213 巻 ( 3 ) 頁: 819-823   1999年

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    担当区分:筆頭著者   記述言語:英語   掲載種別:研究論文(学術雑誌)  

    PURPOSE: To evaluate the cochlear modiolus with thin-section magnetic resonance (MR) imaging in healthy subjects and patients with a large endolymphatic duct and sac, and to assess whether the cochlea is normal or abnormal in patients with a large endolymphatic duct and sac. MATERIALS AND METHODS: MR images were obtained in 10 ears in five volunteers (group 1), 40 ears in 20 patients with bilateral sensory hearing loss (group 2), three ears in two patients with Mondini malformation (group 3), and 12 ears in seven patients with a large endolymphatic duct and sac (group 4). RESULTS: In groups 1 and 2, all modiolar areas were larger than 4.0 mm2. In group 3, each modiolus was smaller than 2.0 mm2. In group 4, modiolar areas were smaller than 2.0 mm2 in eight ears and were larger than 4.0 mm2 in four ears. CONCLUSION: Findings in this study confirm that a large endolymphatic duct and sac is frequently associated with modiolar deficiency, but the modiolar area is normal in some cases. This result does not support the recently proposed hypothesis that hearing loss with a large endolymphatic duct and sac is caused by the transmission of subarachnoid pressure forces into the labyrinth through a deficient modiolus.

  562. MR cisternography of the cerebellopontine angle using a 3D fast spin echo sequence

    Naganawa S, Ito T, Iwayama E, Fukatsu F, Ishigaki T

    Medical Imaging International   9 巻   頁: 16-18   1999年

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    担当区分:筆頭著者   記述言語:英語  

  563. Three-dimensional Fast spin echo MR of inner ear

    American Journal of Neuroradiology   19 巻   頁: 739-741   1998年

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    記述言語:英語  

  564. Inter observer agreement in sonographic diagnosis of breast tumors

    European Journal of ultrasound   8 巻   頁: 25-31   1998年

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    記述言語:英語  

  565. MR imaging of the inner ear

    Radiology   208 巻   頁: 679-685   1998年

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    記述言語:英語  

  566. Interobserver agreement in sonographic diagnosis of breast tumors. 査読有り

    Shimamoto K, Sawaki A, Ikede M, Satake H, Naganawa S, Tadokoro M, Isomura T, Hirota H, Ishigaki T

    Eur J Ultrasound   8 巻 ( 1 ) 頁: 25-31   1998年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    OBJECTIVE: To evaluate interobserver agreement in the interpretation of breast ultrasonography. METHODS: 55 breast masses (30 benign, 24 malignant) were interpreted by seven radiologists using a CRT viewing station. US criteria for differentiating between benign and malignant lesions included shape, border, boundary echoes, internal echoes, posterior echoes, and bilateral shadows. Each criterion and the observers' final impression was scored using the 5-point rating scales. For analyzing interobserver agreement, the kappa (kappa) values were employed. RESULTS: The kappa values of shape and posterior echoes were significantly higher than those of the other four criteria (P<0.05). Agreement was intermediate in border and internal echoes, and was low in boundary echoes and bilateral shadows. Agreement in the senior group (four observers) was relatively higher than that in the junior group (three observers) for all criteria but for internal echoes. Easily-diagnosed cases showed significantly higher kappa values compared with more ambiguous cases (P<0.05). CONCLUSION: Interobserver agreement in shape and posterior echoes was significantly higher than those of the other four criteria. Agreement was significantly dependent on case difficulty.Copyright 1998 Elsevier Science Ireland Ltd.

  567. Three-dimensional fast spin-echo MR of the inner ear: ultra-long echo train length and half-Fourier technique.

    Naganawa S, Itoh T, Fukatsu H, Ishigaki T, Nakashima T, Kassai Y, Miyazaki M, Takai H

    AJNR Am J Neuroradiol   19 巻 ( 4 ) 頁: 739-741   1998年

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    担当区分:筆頭著者   記述言語:英語   掲載種別:研究論文(学術雑誌)  

    We compared the image quality of the newly developed ultra-long echo train length (ETL) 3-D fast spin-echo (FSE) and half-Fourier technique, which is performed in less than 3 minutes, with the conventional 3D-FSE imaging technique, which takes 15 minutes, in assessing MR examinations of the inner ear. The new method's images were almost comparable to the conventional 3D-FSE images in depicting anatomic details and pathologic findings. Implementation of the ultra-long ETL and half-Fourier 3D-FSE imaging technique enables acquisition of inner ear MR studies in a vastly reduced time and with high spatial resolution without significant penalty, opening the possibility for low-cost screening of acoustic tumors without contrast enhancement in less than 3 minutes.

  568. Screening helical CT for mass screening of lung cancer: application of low-dose and single-breath-hold scanning. 査読有り

    Itoh S, Ikeda M, Isomura T, Endo T, Yamakawa K, Itoh K, Naganawa S, Maruyama K, Ishigaki T

    Radiat Med   16 巻 ( 2 ) 頁: 75-83   1998年

     詳細を見る

    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    PURPOSE: To investigate the usefulness of helical CT with low-dose and single-breath-hold scanning for lung cancer screening. MATERIALS AND METHODS: Twenty-four helical CT scans of the lung were performed using various parameters in 10 healthy volunteers. The effects of tube current and pitch were evaluated by assessment of image quality and detection of simulated nodules. Screening helical CT was performed at 120 kVp, 50 mA, 1 sec/rotation, 10 mm collimation, and a pitch of 2.0 in 110 patients. The ability of this method to detect nodules and masses, focal parenchymal opacities, and diffuse fibrotic changes was evaluated using conventional CT as the gold standard. RESULTS: A reduction in tube current to 50 mA did not significantly change the assessment of image quality or detection of simulated nodules. Although these factors were degraded by increasing the pitch, there was no significant difference between 1.5 and 2.0. Screening helical CT permitted the entire lung to be scanned with ease during a single-breath-hold in all patients. This method detected 177 of 196 nodules and masses (87 of 91 lesions greater than 5 mm in diameter), 54 of 57 focal parenchymal opacities, and 15 of 15 cases with fibrotic changes. CONCLUSION: Screening helical CT with low-dose and single-breath-hold scanning shows promise for lung cancer screening.

  569. MR imaging of the inner ear: comparison of a three-dimensional fast spin-echo sequence with use of a dedicated quadrature-surface coil with a gadolinium-enhanced spoiled gradient-recalled sequence. 査読有り

    Naganawa S, Ito T, Fukatsu H, Ishigaki T, Nakashima T, Ichinose N, Kassai Y, Miyazaki M

    Radiology   208 巻 ( 3 ) 頁: 679-685   1998年

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    担当区分:筆頭著者   記述言語:英語   掲載種別:研究論文(学術雑誌)  

    PURPOSE: To prospectively evaluate the sensitivity and specificity of magnetic resonance (MR) imaging in the inner ear with a long echo train, three-dimensional (3D), asymmetric Fourier-transform, fast spin-echo (SE) sequence with use of a dedicated quadrature-surface phased-array coil to detect vestibular schwannoma in the cerebellopontine angle and the internal auditory canal. MATERIALS AND METHODS: In 205 patients (410 ears) with ear symptoms, 1.5-T MR imaging was performed with unenhanced 3D asymmetric fast SE and gadolinium-enhanced 3D gradient-recalled (SPGR) sequences with use of a quadrature surface phased-array coil. The 3D asymmetric fast SE images were reviewed by two radiologists, with the gadolinium-enhanced 3D SPGR images used as the standard of reference. RESULTS: Nineteen lesions were detected in the 410 ears (diameter range, 2-30 mm; mean, 10.5 mm +/- 6.4 [standard deviation]; five lesions were smaller than 5 mm). With 3D asymmetric fast SE, sensitivity, specificity, and accuracy, respectively, were 100%, 99.5%, and 99.5% for observer 1 and 100%, 99.7%, and 99.8% for observer 2. CONCLUSION: The unenhanced 3D asymmetric fast SE sequence with a quadrature-surface phased-array coli allows the reliable detection of vestibular schwannoma in the cerebellopontine angle and internal auditory canal.

  570. 分岐型ステントグラフトを留置した腹部大動脈瘤の1例

    岩井宏悦、石口恒男、鈴木耕次郎、新畑昌滋、長縄慎二、丸山邦弘、石垣武男、小林英昭、松下昌裕、櫻井恒久

    映像情報メディカル   30 巻   頁: 753-755   1998年

     詳細を見る

    記述言語:日本語  

  571. フェリデックス投与後のT1強調像が評価に有用であった2例

    深津博、長縄慎二 岩山恵理子、石垣武男

    映像情報メディカル   30 巻   頁: 1030-1032   1998年

     詳細を見る

    記述言語:日本語  

  572. 3D-fast spin echo法を用いた小脳橋角部のMR cisternography

    映像情報メディカル   29 巻 ( 6 ) 頁: 341-343   1997年

     詳細を見る

    記述言語:日本語  

  573. Cerebral black blood MR angiography with the interleaved multi-slab three-dimensional fast spin echo sequence. 査読有り

    Naganawa S, Ito T, Shimada H, Nagao R, Endo T, Uchiumi K, Ishigaki T

    Radiat Med   15 巻 ( 6 ) 頁: 385-388   1997年

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    担当区分:筆頭著者   記述言語:英語   掲載種別:研究論文(学術雑誌)  

    To overcome the disadvantages of conventional three-dimensional time-of-flight MR angiography (3D-TOF), such as saturation or intravoxel dephasing, black blood MR angiography (BB-MRA) using an interleaved multi-slab 3D fast spin echo sequence was developed and evaluated clinically. In major branches, the contrast-to-noise ratio of the flow was not as good as 3D-TOF in BB-MRA. However, in-plane slow flow and large aneurysm were visualized better on BB-MRA than on 3D-TOF. Furthermore, BB-MRA could provide wider coverage than 3D-TOF. BB-MRA using interleaved multi-slab 3D fast spin echo is now feasible and complementary to 3D-TOF.

  574. 著明な心、肺血管内進展を示した肺門部腫瘍の1例

    河津省司、伊藤都紀子、加藤加代子、稲垣弘、長縄慎二、丸山邦弘、深津博、石口恒男、小林英敏、石垣武男、碓氷章彦、吉田光伸

    映像情報メディカル   29 巻   頁: 1542-1545   1997年

     詳細を見る

    記述言語:日本語  

  575. High speed and high resolution MR imaging og the inner ear asinng ultra-long echo train length 3D fast spin echo sequence and half Eonrier imaging

    Proceedings of ISMRM     頁: 631   1996年

     詳細を見る

    記述言語:英語  

  576. MR imaging of the primary breast lymphoma

    Breast Cancer   3 巻 ( 3 ) 頁: 209-213   1996年

     詳細を見る

    記述言語:英語  

  577. 従来型CT装置における造形剤投与法の腹部域での検討

    映像情報メディカル   28 巻 ( 3 ) 頁: 332-335   1996年

     詳細を見る

    記述言語:日本語  

  578. High resolution T2 weighted MR imaging of the inner ear using a long echo train length 3D fast spin echo sequence

    European Radiology   ( 6 ) 頁: 369-374   1996年

     詳細を見る

    記述言語:英語  

  579. MR lmaging of the Primary Breast Lymphoma: A Case Report. 査読有り

    Naganawa S, Endo T, Aoyama H, Ichihara S

    Breast Cancer   3 巻 ( 3 ) 頁: 209-213   1996年

     詳細を見る

    担当区分:筆頭著者   記述言語:英語   掲載種別:研究論文(学術雑誌)  

    Recently magnetic resonance (MR) imaging has been investigated for the detection and differentiation of benign and malignant breast lesions. Dynamic scan using the contrast material has been shown to increase the specificity of breast MR imaging. Primary breast lymphoma (PBL) is a rare disease and its MR imaging finding has not been described before. We recently experienced a case of PBL that was demonstrated on MR imaging as an early enhancing mass similar to common carcinomas. Other imaging findings including sonography, mammography were also non-specific. Furthermore, lymphoma cells had spread beyond the early enhanced area. Thus the precise delineation of the tumor extent was impossible. However, features such as a quite unclear border on pre-contrast T2-weighted image, and increased uptake of gallium-67-citrate may allow diagnosis of such lesions as malignant lymphoma.

  580. High-resolution T2-weighted MR imaging of the inner ear using a long echo-train-length 3D fast spin-echo sequence.

    Naganawa S, Yamakawa K, Fukatsu H, Ishigaki T, Nakashima T, Sugimoto H, Aoki I, Miyazaki M, Takai H

    Eur Radiol   6 巻 ( 3 ) 頁: 369-374   1996年

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    担当区分:筆頭著者   記述言語:英語   掲載種別:研究論文(学術雑誌)  

    The purpose of this study was to assess the value of a long echo-train-length 3D fast spin-echo (3D-FSE) sequence in visualizing the inner ear structures. Ten normal ears and 50 patient ears were imaged on a 1.5T MR unit using a head coil. Axial high-resolution T2-weighted images of the inner ear and the internal auditory canal (IAC) were obtained in 15 min. In normal ears the reliability of the visualization for the inner ear structures was evaluated on original images and the targeted maximum intensity projection (MIP) images of the labyrinth. In ten normal ears, 3D surface display (3D) images were also created and compared with MIP images. On the original images the cochlear aqueduct, the vessels in the vicinity of the IAC, and more than three branches of the cranial nerves were visualized in the IAC in all the ears. The visibility of the endolympathic duct was 80%. On the MIP images the visibility of the three semicircular canals, anterior and posterior ampulla, and of more than two turns of the cochlea was 100%. The MIP images and 3D images were almost comparable. The visibility of the endolymphatic duct was 80% in normal ears and 0% in the affected ears of the patients with Meniere's disease (p < 0.01). In one patient ear a small intracanalicular tumor was depicted clearly. In conclusion, the long echo train length T2-weighted 3D-FSE sequence enables the detailed visualization of the tiny structures of the inner ear and the IAC within a clinically acceptable scan time. Furthermore, obtaining a high contrast between the soft/bony tissue and the cerebrospinal/endolymph/ perilymph fluid would be of significant value in the diagnosis of the pathologic conditions around the labyrinth and the IAC.

  581. 副乳腺に発生した乳癌の一例.

    林崎理子、遠藤登喜子、長縄慎二、青山英昭、関谷正徳、長田和久、市原周.

    映像情報メディカル   28 巻   頁: 735-738   1996年

     詳細を見る

    記述言語:日本語  

  582. High resolution T-2 weighted image of the inner ear with 3D-Fast Spin echo sequence

    European Radiology   5 巻 ( Suppl ) 頁: 366   1995年

     詳細を見る

    記述言語:英語  

  583. 3D-Fast Spin Echo法を用いた内耳器官微細構造の観察

    日本医学放射線学会雑誌   55 巻 ( 1 ) 頁: 81-82   1995年

     詳細を見る

    記述言語:英語  

  584. Internal anotomy of the inner ear at MR imaging with a Long-Echo-Train-Length 3D,Fast SE sequence

    Radiology   197 巻 ( 9 ) 頁: 134-135   1995年

     詳細を見る

    記述言語:英語  

  585. Visualization of the internal anatomy of the inner ear using a long echo train length 3D fast spin echo sequence

    Proceedings of SMR     頁: 230   1995年

     詳細を見る

    記述言語:英語  

  586. Inner ear barotrauma: computed tomographic evaluation. 査読有り

    Nakashima T, Yanagita N, Yamakawa K, Naganawa S

    Clin Otolaryngol Allied Sci   20 巻 ( 6 ) 頁: 544-546   1995年

     詳細を見る

    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    Eight patients with inner ear barotrauma were evaluated by computed tomography. The causes of the inner ear barotrauma were diving in four, flying in an airplane in three, and climbing in one. Regarding the width of the cochlear aqueduct, no significant difference was observed between the affected side (3.28 +/- 0.49 mm) and non-affected side (3.63 +/- 0.79 mm) at the base of the infundibulum. The jugular fossa could not be identified on the affected side in three patients. Some relationship may exist between inner ear barotrauma and poor development of the jugular fossa.

  587. High resolution MR imaging of the inner ear apparatus using 3D-Fast spin echo sequence 査読有り

    Naganawa S, Senda K, Yamakawa K, Fukatsu H, Ishigaki T, Nakashima T, Sugimoto H, Aoki I, Takai H

    Nippon Igaku Hoshasen Gakkai Zasshi   55 巻 ( 1 ) 頁: 81-82   1995年

     詳細を見る

    担当区分:筆頭著者   記述言語:英語   掲載種別:研究論文(学術雑誌)  

    To evaluate the efficacy of high resolution MR imaging of the inner ear with 3D-Fast spin echo sequence, one volunteer and 12 patients were imaged with a 1.5 T MR scanner. High resolution T2-weighted images were obtained with a head coil in 13 minutes, and the voxel size was 0.39mm x 0.45mm x 1.2mm in most subjects. Original images and maximum intensity projection (MIP) images of the inner ear were evaluated. On original images, the endolymphatic duct was visualized in 72% of subjects, the cochlear aqueduct in 96%, three branches of the cranial nerves in the internal auditory canal in 100%, and flow void of the vessel in the cerebellopontine angle in 100%. On MIP images, more than two cochlear turns were visualized in 92% of subjects, three semicircular canals in 100%, and the anterior and posterior ampulla in 100%. MR imaging of the inner ear with 3D-Fast Spin Echo sequence provides a variety of useful information regarding the anatomy around the inner ear.

  588. Flow velocity and volume measurement of superior and interior mesenteric artery with cine phase contrast magnetic resonance imaging

    Radiation Medicine   12 巻 ( 5 ) 頁: 213-220   1994年

     詳細を見る

    記述言語:英語  

  589. Rapid MR imaging of the liver

    Radiation Medicine   12 巻 ( 6 ) 頁: 255-261   1994年

     詳細を見る

    記述言語:英語  

  590. Magnetic Resonance imaging of the endolymphotic duct and sae in Meniere's disease

    Auris-Nasus-Larynx   19 巻 ( supl. ) 頁: 81-87   1992年

     詳細を見る

    記述言語:英語  

  591. 前庭水管のMRI-正常者とメニエ-ル病患者における撮像の試み

    日本医学放射線学会雑誌   51 巻 ( 3 ) 頁: 213-218   1991年

     詳細を見る

    記述言語:英語  

  592. Evaluation of clearance function of the Eustachian tube by sequential contrast CT. 査読有り

    Niwa H, Takahashi M, Yanagita N, Naganawa S

    Acta Otolaryngol Suppl   471 巻   頁: 43-50   1990年

     詳細を見る

    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    Comparisons of Eustachian tube (ET) functions studied by sequential contrast computerized tomography (CT) and by tubotympanic aerodynamics (TTAG) were made. ET clearance function was assessed by the shape of the cartilaginous portion before, during and at the end of swallowing; ventilatory function was studied by TTAG. ET clarity, real-time dynamics and resolution were all better when observed with sequential CT. Contrast medium was instilled into the middle ear via a drumhead perforation and 1 scan/sec taken during swallowing. We classified ET function based on the presence or absence of a) movement of the cartilaginous portion, and b) contrast medium in the ET as i) movement present, contrast medium seen in ET: ii) movement absent, contrast medium present in ET; and iii) movement present, no contrast medium in the ET. Ventilatory and clearance functions did not parallel one another, attributable to some mechanical, differences between the two functions.

▼全件表示

書籍等出版物 26

  1. まるわかり 頭頸部領域の画像診断 【第1章 聴覚・平衡感覚 5.めまい】

    豊田圭子、小玉隆男、矢野貴徳、長縄慎二、大原有紗、外山芳弘、土屋一洋、木村成秀、德丸阿耶、朝日公一、青木茂樹、櫻井圭太、村山繁雄、森 暢幸、柳町徳春、森 墾、中井雄大、大場 洋、桂 正樹、佐藤典子、中里龍彦、前田正幸、海野真記、早川克己、加藤博基、山本麻子、齋藤尚子、治山高弘、泉澤 充、神田知紀、北村弘樹、本城尚美、東海林 理、森 典子、丹羽 徹、相田典子、安藤久美子、石川祐一、松島信佳、市場文功、佐藤雅史、田中法瑞、吉田大介、二階堂 孝 ( 担当: 共著)

    秀潤社  2015年9月 

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    記述言語:日本語

  2. 頭頸部画像診断に必要不可欠な臨床・画像解剖

    藤田晃史、酒井 修、杉本英治、豊田圭子、石川牧子、塚本 浩、森 墾、浮洲龍太郎、小玉隆男、長縄慎二、( 担当: 共著)

    秀潤社  2015年4月 

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    記述言語:日本語

  3. これでわかる拡散MRI 第3版・高磁場MRの拡散への応用:磁場強度と拡散

    長縄慎二( 担当: 単著)

    秀潤社  2013年 

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    記述言語:日本語

  4. 画像診断、頭蓋底-disease oriented anatomy-

    長縄慎二( 担当: 共著)

    秀潤社  2013年 

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    記述言語:日本語

  5. MRI 応用自在 第3版 拡散強調画像 Readout segmented EPI(RESOLVE)

    長縄慎二( 担当: 共著)

    メジカルビュー社  2013年 

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    記述言語:日本語

  6. MRI 応用自在 第3版、Hydeography MR cisternography, MR myelography

    長縄慎二( 担当: 共著)

    メジカルビュー社  2013年 

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    記述言語:日本語

  7. これでわかる拡散MRI 第3版・びまん性軸索損傷患者における拡散テンソルtractography

    長縄慎二( 担当: 単著)

    秀潤社  2013年 

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    記述言語:日本語

  8. 中内耳-CT・MRI解剖アトラス-

    長縄慎二( 担当: 単著)

    中外医学社  2012年4月 

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    記述言語:日本語

  9. 頭頸部のCT・MRI 第2版

    長縄慎二( 担当: 共著)

    メディカルサイエンスインターナショナル  2012年3月 

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    記述言語:日本語

  10. 脳神経外科エキスパート 頭蓋底

    長縄慎二( 担当: 単著)

    中外医学社  2009年9月 

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    記述言語:日本語

  11. 臨床研修プラクティス4(7)

    鈴木耕次郎、長縄慎二( 担当: 共著)

    文光堂  2007年7月 

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    記述言語:日本語

  12. カンファランス形式頭部画像診断演習~8.機能的疾患編著:土屋一洋

    長縄慎二( 担当: 単著)

    秀潤社  2006年9月 

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    記述言語:日本語

  13. 『脳神経外科学大系第2巻 検査・診断法』著者:山浦 晶、吉田 純

    長縄慎二( 担当: 単著)

    中山書店  2006年4月 

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    記述言語:日本語

    3章 画像診断 CT

  14. 『新版 これでわかる拡散』 青木茂樹 編

    長縄慎二( 担当: 単著)

    秀潤社  2005年10月 

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    記述言語:日本語

    3T-MRI

  15. 『3T-MRI装置の臨床的利点について』

    長縄慎二( 担当: 単著)

    日本磁気共鳴医学会 安全性評価委員会  2005年 

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    記述言語:日本語

    MRの最近の進歩と安全性

  16. 『MRI応用自在 改訂版』 監修 蜂屋 順一  編集 高原 太郎扇 和之

    長縄慎二( 担当: 単著)

    メジカルビュー社  2004年9月 

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    記述言語:日本語

    【臨床応用】 I Hydrography
     7 MR cisternography,MR myelography

  17. 『頭頸部の画像診断』編著:酒井 修

    長縄慎二( 担当: 単著)

    秀潤社  2002年8月 

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    記述言語:日本語

    1. 側頭骨(中耳・内耳・脳神経)

  18. 『頭頸部のCT・MRI』 多田信平 黒崎喜久 編集

    長縄慎二( 担当: 単著)

    メディカルサイエンスインターナショナル  2002年 

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    記述言語:日本語

    側頭骨の奇形  小脳橋角部と感音性難聴

  19. 『現場で役立つ臨床MRIシリーズ 2~MR hydrographyとMR angiography~水と流れの画像』杉村和朗 監修

    長縄慎二( 担当: 単著)

    メジカルビュー社  1999年11月 

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    記述言語:日本語

    頭頸部疾患  
    主要撮像法/正常解剖/症例

  20. 『画像診断のための解剖図譜 9』改訂第3版

    長縄慎二、伊藤都紀子( 担当: 共著)

    メジカルビュ−社  1999年6月 

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    記述言語:日本語

    MR. CTからみた肩関節の解剖、
    MR. CTからみた肘関節の解剖、
    MR. CTからみた手関節の解剖

  21. 『臨床放射線科のコツと落とし穴 2 検査・診断 part2』 小塚 隆弘 編

    長縄慎二( 担当: 単著)

    中山書店  1999年5月 

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    記述言語:日本語

    MRAのMIPなどの画像処理の特徴と落とし穴

  22. 『臨床放射線科のコツと落とし穴 1 検査・診断 part1』小塚 隆弘 編

    長縄慎二( 担当: 単著)

    中山書店  1999年4月 

     詳細を見る

    記述言語:日本語

    高分解能MRIを用いた聴神経腫瘍の診断のコツと落とし穴

  23. 『Excerpta Medica, International Congress Series 1192, Radiology: Ultrafast magnetic resonance in medicine』 Shouji Naruse, Hiroshi Watari, editors.

    S. Naganawa, T. Ito, E. Iwayama, H. Fukatsu, T. Ishigaki, and N. Ichinose.( 担当: 共著)

    Elsevier Science B. V.  1999年 

     詳細を見る

    記述言語:英語

    Comparison between Magnitude Subtraction vs Complex Subtraction in Dynamic Contrast Enhanced 3D-MR Angiography: Basic Experiments and Clinical Application.

  24. 『耳と脳幹 脳神経の最新MRI』熊川孝三、煎本正博 編

    中島務、鈴木亨、柳田則之、長縄慎二( 担当: 共著)

    メジカルビュ−社  1991年6月 

     詳細を見る

    記述言語:日本語

    メニエール病、遅発性内リンパ水腫における前庭水管のMRI

  25. 『耳鼻咽喉領域疾患』

    佐久間貞行、長縄慎二.( 担当: 共著)

    東芝メディカル  1989年 

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    記述言語:日本語

    X線CT像の診かた(教育用VTR)

  26. 『Annual Review ~消化器 1988~』

    山川耕二、丸山邦弘、広瀬光彦、長縄慎二( 担当: 共著)

    中外医学社  1988年 

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    記述言語:日本語

    膵胆の画像診断

▼全件表示

MISC 56

  1. 正常老化におけるTHK5351分布様式と安静時機能的ネットワークの関係性

    吉田 有佑, 横井 孝政, 渡辺 宏久, 山口 博司, Bagarinao Epifanio, 桝田 道人, 加藤 隼康, 小倉 礼, 大嶽 れい子, 川畑 和也, 原 一洋, 勝野 雅央, 加藤 克彦, 長縄 慎二, 岡村 信行, 矢内 一彦, 祖父江 元  

    臨床神経学59 巻 ( Suppl. ) 頁: S297 - S297   2019年11月

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    記述言語:日本語   出版者・発行元:(一社)日本神経学会  

  2. 血管炎と脳卒中 もやもや病類縁疾患の頭蓋内血管狭窄進行予測

    村岡 真輔, 荒木 芳生, 岡本 奨, 田岡 俊昭, 川井 恒, 宇田 憲司, 太田 慎次, 長縄 慎二, 若林 俊彦  

    The Mt. Fuji Workshop on CVD37 巻   頁: 70 - 75   2019年7月

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    記述言語:日本語   出版者・発行元:(株)にゅーろん社  

    もやもや病および類もやもや病24例48半球を対象に、年齢、発症様式(出血、虚血、無症候性)、血管壁造影効果(強、弱、無)、発症から撮影までの期間、鈴木分類、MRAでの狭窄進行の有無(初回と半年後のMRAを比較)を調査した。その結果、初発症状は一過性脳虚血発作16半球、脳出血3半球、脳梗塞9半球、無症候性20半球であった。狭窄部位の血管壁が強く造影されたのは9半球(18.8%)で、弱く造影されたのは16半球(33.3%)であった。6ヵ月後のMRAで狭窄進行を認めたものは9半球(18.8%)であった。血管壁造影効果を認めなかったのに狭窄が進行したのは1半球で、甲状腺機能亢進症を合併していた。もやもや病は甲状腺機能異常など自己免疫疾患と関連性があると思われた。血管狭窄や血管新生に自己免疫系が関与し、自己免疫系自体も血管内皮細胞などに直接働きかけていると考えられた。

  3. 認知機能低下を示す多系統萎縮症の解剖学的脳内ネットワーク

    原 一洋, 渡辺 宏久, バガリナオ・エピファニオ, 川畑 和也, 大嶽 れい子, 桝田 道人, 小倉 礼, 加藤 隼康, 前澤 聡, 勝野 雅央, 長縄 慎二, 祖父江 元  

    自律神経56