Faculty Profiles - NAGANAWA, Shinji

Papers - NAGANAWA, Shinji

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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 Vol. 266 ( 12 ) page： 1871-1877 2009.5

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 ) page： 205-256 2009.3

Language：English Publishing type：Research paper (scientific journal)

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.

Visualization of Endolymphatic Hydrops in the Patients with Meniere's Disease by MR Imaglng after lntratympanic Administration of Gd-DTPA :Its Methods, Anatomy, Findings, and Clinical Application

( 2月 ) page： 60 2009.2

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 Vol. 8 page： 43-46 2009

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 Vol. 37 ( 2 ) page： 220-222 2009

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 Vol. 36 ( 6 ) page： 669-678 2009

CT, MR

長縄慎二

脳神経外科エキスパート頭蓋底 page： 2-14 2009

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 Vol. 33 page： 2587-2593 2009

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 Vol. 16 page： 1179-1186 2009

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 Vol. 5 page： 216-221 2009

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 Vol. 27 page： 91-99 2009

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 Vol. 26 page： 597-602 2009

Cutting edge of inner ear MRI

SHINJI NAGANAWA ,TSUTOMU NAKASHIMA

Acta Oto-Laryngologica Vol. 129 page： 15-21 2009

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 Vol. 129 page： 9-14 2009

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 Vol. 129 page： 5-8 2009

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 Vol. 33 ( 12 ) page： 845-851 2008.12

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 Vol. 31 ( 6 ) page： 1082-7 2008.11

Language：English Publishing type：Research paper (scientific journal)

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.

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. Vol. Epub ahead of print 2008.10

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

Vol. 166 page： 8-9 2008.9

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 Vol. 118 ( 8 ) page： 1433-7 2008.8

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Papers - NAGANAWA, Shinji