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Koji Kamagata

juntendo university

48H-index
338Paper Count
7.6KCitation Count
Published Papers 105
Publication Date
Flip angle in susceptibility-weighted imaging for the diagnosis of multiple sclerosis
err2026-05-13
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PREAI
errYuki Sonoda; Akifumi Hagiwara; Yuji Tomizawa; Taku Hatano; Koji Kamagata
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Clinical Neuroimaging Over the Last Decade
err2026-03-01
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PREAI
errFujita, Shohei; Hagiwara, Akifumi; Kamagata, Koji; Aoki, Shigeki
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Utility of Harmonisation for Fixel-Based Metrics in Travelling Subjects and Alzheimer's Disease Data
err2025-11-12
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errOAAI
errRui Zou; Koji Kamagata; Remika Mito; Kaito Takabayashi; Christina Andica; Wataru Uchida; Sen Guo; Takafumi Kitagawa; Shohei Fujita; Akiko Uematsu; Norihide Maikusa; Shinsuke Koike; Shigeki Aoki; Alzheimer's Disease Neuroimaging Initiative
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Interpretation of Diffusion MR Imaging Data Using Non-negative Least Squares (NNLS)
err2025-10-01
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PREAI
errOshio, Koichi; Sano, Katsuhiro; Kusahara, Hiroshi; Kamagata, Koji; Aoki, Shigeki
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Fully automated segmentation of substantia nigra toward longitudinal analysis of Parkinson's disease
err2025-10-01
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errOAAI
errHu, Tao; Itoh, Hayato; Oda, Masahiro; Saiki, Shinji; Kamagata, Koji; Ishikawa, Kei-ichi; Sako, Wataru; Hattori, Nobutaka; Aoki, Shigeki; Mori, Kensaku
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Contribution of white matter microstructure to diffusion tensor image analysis along perivascular space in obstructive sleep apnea
err2025-07-24
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errOAAI
errToshiaki Taoka; Kunihiro Iwamoto; Seiko Miyata; Rintaro Ito; Koji Kamagata; Rei Nakamichi; Toshiki Nakane; Mami Iima; Hiroshige Fujishiro; Masashi Ikeda; Kazushige Ichikawa; Akifumi Kamiunten; Nobuyasu Ichinose; Junko Kikuta; Shigeki Aoki; Shinji Naganawa
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Retrieval-augmented generation elevates local LLM quality in radiology contrast media consultation
err2025-07-02
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errOAAI
errAkihiko Wada; Yuya Tanaka; Mitsuo Nishizawa; Akira Yamamoto; Toshiaki Akashi; Akifumi Hagiwara; Yayoi Hayakawa; Junko Kikuta; Keigo Shimoji; Katsuhiro Sano; Koji Kamagata; Atsushi Nakanishi; Shigeki Aoki
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Association between cognitive function and relaxation rates of the cerebral cortex
err2025-05-15
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PREAI
errKamio, Satoru; Hagiwara, Akifumi; Kamagata, Koji; Uchida, Wataru; Nakaya, Moto; Sekine, Towa; Hara, Naohisa; Tsukamoto, Yuika; Akashi, Toshiaki; Wada, Akihiko; Naito, Hitoshi; Tabata, Hiroki; Kaga, Hideyoshi; Tamura, Yoshifumi; Kawamori, Ryuzo; Watada, Hirotaka; Abe, Osamu; Aoki, Shigeki
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Diffusion Tensor Image Analysis Along the Perivascular Space in Former Professional Athletes with Repetitive Mild Traumatic Brain Injury History
err2025-05-03
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errOAAI
errMari Miyata; Koji Kamagata; Yuya Saito; Wataru Uchida; Kaito Takabayashi; Sho Moriguchi; Yuki Momota; Masanori Ichihashi; Shin Kurose; Hironobu Endo; Kenji Tagai; Yuko Kataoka; Masaru Mimura; Shigeki Aoki; Makoto Higuchi; Keisuke Takahata
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Abnormal neuritic microstructures in the anterior limb of internal capsules in treatment-resistant depression - A cross-sectional NODDI study
err2025-03-01
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PREAI
errTakahashi, Koki; Noda, Yoshihiro; Hondo, Nobuaki; Shibukawa, Shuhei; Kamagata, Koji; Wada, Masataka; Honda, Shiori; Homma, Saki; Tsukazaki, Amaki; Tsugawa, Sakiko; Tobari, Yui; Moriyama, Sotaro; Taniguchi, Keita; Koike, Shinsuke; Cassidy, Clifford; Mimura, Masaru; Uchida, Hiroyuki; Nakajima, Shinichiro
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Recent topics in musculoskeletal imaging focused on clinical applications of AI: How should radiologists approach and use AI?
err2025-02-24
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PREAI
errNozaki, Taiki; Hashimoto, Masahiro; Ueda, Daiju; Fujita, Shohei; Fushimi, Yasutaka; Kamagata, Koji; Matsui, Yusuke; Ito, Rintaro; Tsuboyama, Takahiro; Tatsugami, Fuminari; Fujima, Noriyuki; Hirata, Kenji; Yanagawa, Masahiro; Yamada, Akira; Fujioka, Tomoyuki; Kawamura, Mariko; Nakaura, Takeshi; Naganawa, Shinji
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VISUAL HALLUCINATIONS IN PARKINSON' S DISEASE WERE ASSOCIATED WITH DECREASING BLOOD FLOW IN THE BILATERAL POSTERIOR CINGULATE CORTEX ON 123I-IMP-SPECT
err2025-02-12
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errOAAI
errIto, Masanobu; Hatano, Taku; Horie, Junko; Katsuta, Narimasa; Oyama, Genko; Takeshige-Amano, Haruka; Ogawa, Takashi; Sasaki, Fuyuko; Shimo, Yasushi; Umemura, Atsushi; Iwamuro, Hirokazu; Kamagata, Koji; Nakanishi, Atsushi; Aoki, Shigeki; Hattori, Nobutaka; Kato, Takafumi
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Multiple insular-prefrontal pathways underlie perception to execution during response inhibition in humans
err2024-12-03
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errOAAI
errOsada, Takahiro; Nakajima, Koji; Shirokoshi, Tomohiko; Ogawa, Akitoshi; Oka, Satoshi; Kamagata, Koji; Aoki, Shigeki; Oshima, Yasushi; Tanaka, Sakae; Konishi, Seiki
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Decoding Brain Development and Aging
err2024-10-09
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errOAAI
errHagiwara, Akifumi; Kamio, Satoru; Kikuta, Junko; Nakaya, Moto; Uchida, Wataru; Fujita, Shohei; Nikola, Stikov; Akasahi, Toshiaki; Wada, Akihiko; Kamagata, Koji; Aoki, Shigeki
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The status of MRI databases across the world focused on psychiatric and neurological disorders
err2024-08-20
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errOAAI
errTanaka, Saori C.; Kasai, Kiyoto; Okamoto, Yasumasa; Koike, Shinsuke; Hayashi, Takuya; Yamashita, Ayumu; Yamashita, Okito; Johnstone, Tom; Pestilli, Franco; Doya, Kenji; Okada, Go; Shinzato, Hotaka; Itai, Eri; Takahara, Yuji; Takamiya, Akihiro; Nakamura, Motoaki; Itahashi, Takashi; Aoki, Ryuta; Koizumi, Yukiaki; Shimizu, Masaaki; Miyata, Jun; Son, Shuraku; Aki, Morio; Okada, Naohiro; Morita, Susumu; Sawamoto, Nobukatsu; Abe, Mitsunari; Oi, Yuki; Sajima, Kazuaki; Kamagata, Koji; Hirose, Masakazu; Aoshima, Yohei; Hamatani, Sayo; Nohara, Nobuhiro; Funaba, Misako; Noda, Tomomi; Inoue, Kana; Hirano, Jinichi; Mimura, Masaru; Takahashi, Hidehiko; Hattori, Nobutaka; Sekiguchi, Atsushi; Kawato, Mitsuo; Hanakawa, Takashi
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Recent trends in AI applications for pelvic MRI: a comprehensive review
err2024-08-03
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PREAI
errTsuboyama, Takahiro; Yanagawa, Masahiro; Fujioka, Tomoyuki; Fujita, Shohei; Ueda, Daiju; Ito, Rintaro; Yamada, Akira; Fushimi, Yasutaka; Tatsugami, Fuminari; Nakaura, Takeshi; Nozaki, Taiki; Kamagata, Koji; Matsui, Yusuke; Hirata, Kenji; Fujima, Noriyuki; Kawamura, Mariko; Naganawa, Shinji
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Optimizing GPT-4 Turbo Diagnostic Accuracy in Neuroradiology through Prompt Engineering and Confidence Thresholds
err2024-07-17
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errOAAI
errWada, Akihiko; Akashi, Toshiaki; Shih, George; Hagiwara, Akifumi; Nishizawa, Mitsuo; Hayakawa, Yayoi; Kikuta, Junko; Shimoji, Keigo; Sano, Katsuhiro; Kamagata, Koji; Nakanishi, Atsushi; Aoki, Shigeki
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Decreased diffusivity along the perivascular space and cerebral hemodynamic disturbance in adult moyamoya disease
err2024-04-04
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PREAI
errHara, Shoko; Kikuta, Junko; Takabayashi, Kaito; Kamagata, Koji; Hayashi, Shihori; Inaji, Motoki; Tanaka, Yoji; Hori, Masaaki; Ishii, Kenji; Nariai, Tadashi; Taoka, Toshiaki; Naganawa, Shinji; Aoki, Shigeki; Maehara, Taketoshi
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