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Toshiaki Akashi

keio university

21H-index
117Paper Count
1.6KCitation Count
Published Papers 28
Publication Date
Comparing artificial intelligence and physician performance in predicting IDH mutation status in glioma
err2026-05-05
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errSatoshi Takahashi; Masamichi Takahashi; Manabu Kinoshita; Mototaka Miyake; Risa Kawaguchi; Naoki Shinojima; Akitake Mukasa; Kuniaki Saito; Motoo Nagane; Ryohei Otani; Fumi Higuchi; Shota Tanaka; Nobuhiro Hata; Kaoru Tamura; Kensuke Tateishi; Ryo Nishikawa; Hideyuki Arita; Masahiro Nonaka; Takehiro Uda; Junya Fukai; Yoshiko Okita; Naohiro Tsuyuguchi; Yonehiro Kanemura; Fumiyasu Tsushima; Shingo Kakeda; Toshiaki Akashi; Toshiaki Taoka; Yoshiyuki Watanabe; Kei Yamada; Toshinori Hirai; Minako Azuma; Takashi Yoshiura; Jun Sese; Koichi Ichimura; Yoshitaka Narita; Ryuji Hamamoto
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Bridging the performance gap: systematic optimization of local LLMs for Japanese medical PHI extraction
err2026-01-21
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errAkihiko Wada; Mitsuo Nishizawa; Akira Yamamoto; Toshiaki Akashi; Akifumi Hagiwara; Ryusuke Irie; Yayoi Hayakawa; Junko Kikuta; Keigo Shimoji; Katsuhiro Sano; Atsushi Nakanishi; Koji Kamagata; Shigeki Aoki
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Left-right relationship-aware 3D volume classification method
err2026-01-01
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errOda, Masahiro; Hayashi, Yuichiro; Otake, Yoshito; Hashimoto, Masahiro; Akashi, Toshiaki; Aoki, Shigeki; Mori, Kensaku
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Contralateral neurofluid dynamics predict survival in IDH wild-type glioblastoma: A DTI-ALPS and free water imaging study
err2025-11-01
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PREAI
errHagiwara, Akifumi; Uchida, Wataru; Ozawa, Takuya; Takabayashi, Kaito; Zou, Rui; Ellingson, Benjamin M.; Andica, Christina; Kikuta, Junko; Akashi, Toshiaki; Wada, Akihiko; Kumamaru, Kanako Kunishima; Kamagata, Koji; Akiyama, Osamu; Kondo, Akihide; Aoki, Shigeki
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Retrieval-augmented generation elevates local LLM quality in radiology contrast media consultation
err2025-07-02
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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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Magnetic resonance imaging indices for early Alzheimer's disease detection: Brain clearance markers
err2025-03-01
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PREAI
errNakaya, Moto; Kamagata, Koji; Takabayashi, Kaito; Andica, Christina; Uchida, Wataru; Hagiwara, Akifumi; Akashi, Toshiaki; Wada, Akihiko; Taoka, Toshiaki; Naganawa, Shinji; Abe, Osamu; Aoki, Shigeki
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A case of middle-aged central sleep apnea due to Joubert syndrome with different treatment effects of oxygen and acetazolamide
err2024-10-01
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PREAI
errMurashima, Ryoko; Shiota, Satomi; Sugiyama, Ai; Katsu, Koshin; Kuroda, Yumi; Sato, Yoshihiko; Mitsuishi, Yoichiro; Shiroshita, Nanako; Kawana, Fusae; Kasai, Takatoshi; Akashi, Toshiaki; Takahashi, Kazuhisa
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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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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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Assessing interstitial fluid dynamics in type 2 diabetes mellitus and prediabetes cases through diffusion tensor imaging analysis along the perivascular space
err2024-03-07
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errTuerxun, Rukeye; Kamagata, Koji; Saito, Yuya; Andica, Christina; Takabayashi, Kaito; Uchida, Wataru; Yoshida, Seina; Kikuta, Junko; Tabata, Hiroki; Naito, Hitoshi; Someya, Yuki; Kaga, Hideyoshi; Miyata, Mari; Akashi, Toshiaki; Wada, Akihiko; Taoka, Toshiaki; Naganawa, Shinji; Tamura, Yoshifumi; Watada, Hirotaka; Kawamori, Ryuzo; Aoki, Shigeki
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Glymphatic System Dysfunction in Myelin Oligodendrocyte Glycoprotein Immunoglobulin G Antibody?Associated Disorders: Association with Clinical Disability
err2023-12-14
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errHagiwara, Akifumi; Tomizawa, Yuji; Hoshino, Yasunobu; Yokoyama, Kazumasa; Kamagata, Koji; Sekine, Towa; Takabayashi, Kaito; Nakaya, Moto; Maekawa, Tomoko; Akashi, Toshiaki; Wada, Akihiko; Taoka, Toshiaki; Naganawa, Shinji; Hattori, Nobutaka; Aoki, Shigeki
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Deep Learning-Driven Transformation: A Novel Approach for Mitigating Batch Effects in Diffusion MRI Beyond Traditional Harmonization
err2023-10-25
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errWada, Akihiko; Akashi, Toshiaki; Hagiwara, Akifumi; Nishizawa, Mitsuo; Shimoji, Keigo; Kikuta, Junko; Maekawa, Tomoko; Sano, Katsuhiro; Kamagata, Koji; Nakanishi, Atsushi; Aoki, Shigeki
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Advancements in Diffusion MRI Tractography for Neurosurgery
err2023-09-14
err5
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errKamagata, Koji; Andica, Christina; Uchida, Wataru; Takabayashi, Kaito; Saito, Yuya; Lukies, Matthew; Hagiwara, Akifumi; Fujita, Shohei; Akashi, Toshiaki; Wada, Akihiko; Hori, Masaaki; Kamiya, Kouhei; Zalesky, Andrew; Aoki, Shigeki
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Noninvasive Magnetic Resonance Imaging Measures of Glymphatic System Activity
err2023-09-01
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errKamagata, Koji; Saito, Yuya; Andica, Christina; Uchida, Wataru; Takabayashi, Kaito; Yoshida, Seina; Hagiwara, Akifumi; Fujita, Shohei; Nakaya, Moto; Akashi, Toshiaki; Wada, Akihiko; Kamiya, Kouhei; Hori, Masaaki; Aoki, Shigeki
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Fiber-specific micro- and macroscopic white matter alterations in progressive supranuclear palsy and corticobasal syndrome
err2023-08-17
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errUchida, Wataru; Kamagata, Koji; Andica, Christina; Takabayashi, Kaito; Saito, Yuya; Owaki, Mana; Fujita, Shohei; Hagiwara, Akifumi; Wada, Akihiko; Akashi, Toshiaki; Sano, Katsuhiro; Hori, Masaaki; Aoki, Shigeki
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Traveling Subject-Informed Harmonization Increases Reliability of Brain Diffusion Tensor and Neurite Mapping
err2023-01-01
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errSaito, Yuya; Kamagata, Koji; Andica, Christina; Maikusa, Norihide; Uchida, Wataru; Takabayashi, Kaito; Yoshida, Seina; Hagiwara, Akifumi; Fujita, Shohei; Akashi, Toshiaki; Wada, Akihiko; Irie, Ryusuke; Shimoji, Keigo; Hori, Masaaki; Kamiya, Kouhei; Koike, Shinsuke; Hayashi, Takuya; Aoki, Shigeki
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Association of MRI Indices of Glymphatic System With Amyloid Deposition and Cognition in Mild Cognitive Impairment and Alzheimer Disease
err2022-12-13
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errKamagata, Koji; Andica, Christina; Takabayashi, Kaito; Saito, Yuya; Taoka, Toshiaki; Nozaki, Hayato; Kikuta, Junko; Fujita, Shohei; Hagiwara, Akifumi; Kamiya, Kouhei; Wada, Akihiko; Akashi, Toshiaki; Sano, Katsuhiro; Nishizawa, Mitsuo; Hori, Masaaki; Naganawa, Shinji; Aoki, Shigeki
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Classification and visual explanation for COVID-19 pneumonia from CT images using triple learning
err2022-12-02
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errKato, Sota; Oda, Masahiro; Mori, Kensaku; Shimizu, Akinobu; Otake, Yoshito; Hashimoto, Masahiro; Akashi, Toshiaki; Hotta, Kazuhiro
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Fiber-specific white matter alterations in early-stage tremor-dominant Parkinson's disease
err2021-06-25
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errAndica, Christina; Kamagata, Koji; Saito, Yuya; Uchida, Wataru; Fujita, Shohei; Hagiwara, Akifumi; Akashi, Toshiaki; Wada, Akihiko; Ogawa, Takashi; Hatano, Taku; Hattori, Nobutaka; Aoki, Shigeki
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Deep Learning Approach for Generating MRA Images From 3D Quantitative Synthetic MRI Without Additional Scans
err2020-02-03
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errFujita, Shohei; Hagiwara, Akifumi; Otsuka, Yujiro; Hori, Masaaki; Takei, Naoyuki; Hwang, Ken-Pin; Irie, Ryusuke; Andica, Christina; Kamagata, Koji; Akashi, Toshiaki; Kumamaru, Kanako Kunishima; Suzuki, Michimasa; Wada, Akihiko; Abe, Osamu; Aoki, Shigeki
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