Faculty Profiles - NAGANAWA, Shinji

Papers - NAGANAWA, Shinji

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40 years of diffusion MRI: a journey from basic science to clinical breakthrough Reviewed Open Access

Iima, M; Miki, Y; Naganawa, S

JAPANESE JOURNAL OF RADIOLOGY Vol. 42 ( 12 ) page： 1355 - 1356 2024.12

Association between the Presence of the Parasagittal Cyst-like Structures and Cognitive Function Reviewed Open Access

Ohashi, T; Ito, R; Yamamoto, R; Ukai, K; Naganawa, S

MAGNETIC RESONANCE IN MEDICAL SCIENCES 2024.11

The current state and future perspectives of radiotherapy for cervical cancer. Reviewed Open Access

Yamada T, Kawamura M, Oie Y, Kozai Y, Okumura M, Nagai N, Yanagi Y, Nimura K, Ishihara S, Naganawa S

The journal of obstetrics and gynaecology research Vol. 50 page： 84 - 94 2024.10

Correlation of Endolysmphatic Duct Signal Intensity With Clinical Features in Otological Diseases. Reviewed Open Access

Matsui K, Yoshida T, Sugimoto S, Kobayashi M, Naganawa S, Sone M

Otology & neurotology : official publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology Vol. 45 ( 9 ) page： e624 - e629 2024.10

Perilymphatic enhancement and endolymphatic hydrops: MRI findings and clinical associations. Reviewed Open Access

Kobayashi M, Yoshida T, Fukunaga Y, Hara D, Naganawa S, Sone M

Laryngoscope investigative otolaryngology Vol. 9 ( 5 ) page： e1312 2024.10

Visualization of distribution in the vitreous cavity via eye drops using ultra-heavily T2-weighted sequences in MRI: a preliminary study with enucleated pig eyes. Reviewed Open Access

Kato Y, Yuki K, Nishiguchi K, Naganawa S

Radiological physics and technology Vol. 17 ( 3 ) page： 715 - 724 2024.9

Correlation between the thyroid computed tomography value and thyroid function in hyperthyroidism: a retrospective study. Reviewed Open Access

Iwanaga H, Fujita N, Abe S, Naganawa S, Kato K

Annals of nuclear medicine Vol. 38 ( 8 ) page： 659 - 665 2024.8

Possible causes of vertigo attacks in Meniere's disease Reviewed

Nakashima, T; Naganawa, S; Yoshida, T; Sone, M

MEDICAL HYPOTHESES Vol. 189 2024.8

Diffusion Tensor Image Analysis ALong the Perivascular Space (DTI-ALPS): Revisiting the Meaning and Significance of the Method. Reviewed Open Access

Toshiaki Taoka, Rintaro Ito, Rei Nakamichi, Toshiki Nakane, Hisashi Kawai, Shinji Naganawa

Magnetic resonance in medical sciences : MRMS : an official journal of Japan Society of Magnetic Resonance in Medicine Vol. 23 ( 3 ) page： 268 - 290 2024.7

Authorship：Last author Language：English Publishing type：Research paper (scientific journal)

More than 5 years have passed since the Diffusion Tensor Image Analysis ALong the Perivascular Space (DTI-ALPS) method was proposed with the intention of evaluating the glymphatic system. This method is handy due to its noninvasiveness, provision of a simple index in a straightforward formula, and the possibility of retrospective analysis. Therefore, the ALPS method was adopted to evaluate the glymphatic system for many disorders in many studies. The purpose of this review is to look back and discuss the ALPS method at this moment.The ALPS-index was found to be an indicator of a number of conditions related to the glymphatic system. Thus, although this was expected in the original report, the results of the ALPS method are often interpreted as uniquely corresponding to the function of the glymphatic system. However, a number of subsequent studies have pointed out the problems on the data interpretation. As they rightly point out, a higher ALPS-index indicates predominant Brownian motion of water molecules in the radial direction at the lateral ventricular body level, no more and no less. Fortunately, the term "ALPS-index" has become common and is now known as a common term by many researchers. Therefore, the ALPS-index should simply be expressed as high or low, and whether it reflects a glymphatic system is better to be discussed carefully. In other words, when a decreased ALPS-index is observed, it should be expressed as "decreased ALPS-index" and not directly as "glymphatic dysfunction". Recently, various methods have been proposed to evaluate the glymphatic system. It has become clear that these methods also do not seem to reflect the entirety of the extremely complex glymphatic system. This means that it would be desirable to use various methods in combination to evaluate the glymphatic system in a comprehensive manner.

DOI： 10.2463/mrms.rev.2023-0175

Open Access

Web of Science

PubMed

Predictive Performance of Radiomic Features Extracted from Breast MR Imaging in Postoperative Upgrading of Ductal Carcinoma in Situ to Invasive Carcinoma. Reviewed Open Access

Satake H, Kinoshita F, Ishigaki S, Kato K, Jo Y, Shimada S, Masuda N, Naganawa S

Magnetic resonance in medical sciences : MRMS : an official journal of Japan Society of Magnetic Resonance in Medicine Vol. 24 ( 4 ) 2024.5

Efficacy of 100 hz sound stimulation on saccular dysfunction in meniere's disease. Reviewed Open Access

Sone M, Ohgami N, Katayama N, Kobayashi M, Gu Y, Tong K, Yoshida T, Naganawa S, Kato M

Acta oto-laryngologica Vol. 144 ( 4 ) page： 272 - 276 2024.4

Development of automatic generation system for lung nodule finding descriptions Reviewed Open Access

Momoki, Y; Ichinose, A; Nakamura, K; Iwano, S; Kamiya, S; Yamada, K; Naganawa, S

PLOS ONE Vol. 19 ( 3 ) page： e0300325 2024.3

Clinical significance of posterior expansion of the utricular endolymphatic space. Reviewed Open Access

Kaida H, Yoshida T, Sugimoto S, Kobayashi M, Naganawa S, Sone M

Acta oto-laryngologica Vol. 144 ( 2 ) page： 107 - 111 2024.2

Improvement of vertigo symptoms and acoustic power absorbance in cases with endolymphatic hydrops Reviewed

Kobayashi, M; Yoshida, T; Fukunaga, Y; Hara, D; Sugimoto, S; Naganawa, S; Sone, M

LARYNGOSCOPE INVESTIGATIVE OTOLARYNGOLOGY Vol. 9 ( 1 ) page： e1210 2024.2

Disruption of the Blood-Perilymph Barrier Preceding Endolymphatic Hydrops Formation in Meniere's Disease Reviewed

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

OTOLOGY & NEUROTOLOGY Vol. 44 ( 10 ) page： E766 - E767 2023.12

Shifting-field-of-view technique enhancing the inflow effect for identifying tumor/vessel boundaries in MRI for radiotherapy treatment planning. Reviewed

Kato Y, Okudaira K, Noguchi Y, Kawamura M, Ishihara S, Naganawa S

Radiological physics and technology Vol. 16 ( 4 ) page： 578 - 583 2023.12

Response to "Striking a balance: embracing LLMs while upholding scientific integrity". Reviewed

Nakaura T, Naganawa S

Japanese journal of radiology Vol. 42 ( 2 ) page： 210 - 211 2023.10

New trend in artificial intelligence-based assistive technology for thoracic imaging Reviewed

Yanagawa, M; Ito, R; Nozaki, T; Fujioka, T; Yamada, A; Fujita, S; Kamagata, K; Fushimi, Y; Tsuboyama, T; Matsui, Y; Tatsugami, F; Kawamura, M; Ueda, D; Fujima, N; Nakaura, T; Hirata, K; Naganawa, S

2023.8

Fluid signal suppression characteristics of 3D-FLAIR with a T2 selective inversion pulse in the skull base Reviewed

Naganawa, S; Kato, Y; Yoshida, T; Sone, M

NATURE COMMUNICATIONS Vol. 14 ( 1 ) page： 4915 2023.8

Urethral identification using three-dimensional magnetic resonance imaging and interfraction urethral motion evaluation for prostate stereotactic body radiotherapy Reviewed

Kato, Y; Okumiya, S; Okudaira, K; Ito, J; Kumagai, M; Kamomae, T; Noguchi, Y; Kawamura, M; Ishihara, S; Naganawa, S

NAGOYA JOURNAL OF MEDICAL SCIENCE Vol. 85 ( 3 ) page： 504 - 517 2023.8

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Papers - NAGANAWA, Shinji