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Akihiko Wada

department of radiology

45H-index
428Paper Count
7.5KCitation Count
Published Papers 82
Publication Date
Peripheral/central neural microstructural alterations in persistent idiopathic dentoalveolar pain: a case-comparative study
err2026-07-25
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errMW Motoko Watanabe; KS Keigo Shimoji; JS Junichiro Sakamoto; CM Chizuko Maeda; KI Kiyokazu Iwawaki; GN Gayatri Nayanar; QC Qinyi Chen; CT Chihiro Takao; RT Risa Tominaga; YK Yasuyuki Kimura; AI Atsushi Ito; TH Trang Hu Thi Tu; MM Masahiko Miura; AW Akihiko Wada; AT Akira Toyofuku
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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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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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Decoding Brain Development and Aging
err2024-10-09
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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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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
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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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Feasibility of Quantitative MRI Using 3D-QALAS for Discriminating Immunohistochemical Status in Invasive Ductal Carcinoma of the Breast
err2023-03-23
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errAmano, Maki; Fujita, Shohei; Takei, Naoyuki; Sano, Katsuhiro; Wada, Akihiko; Sato, Kanako; Kikuta, Junko; Kuwatsuru, Yoshiki; Tachibana, Rina; Sekine, Towa; Horimoto, Yoshiya; 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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Effects of Arterial Stiffness on Cerebral WM Integrity in Older Adults: A Neurite Orientation Dispersion and Density Imaging and Magnetization Transfer Saturation Imaging Study
err2022-11-17
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errKikuta, J.; Kamagata, K.; Abe, M.; Andica, C.; Saito, Y.; Takabayashi, K.; Uchida, W.; Naito, H.; Tabata, H.; Wada, A.; Tamura, Y.; Kawamori, R.; Watada, H.; Aoki, S.
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Water Diffusivity Changes Along the Perivascular Space After Lumboperitoneal Shunt Surgery in Idiopathic Normal Pressure Hydrocephalus
err2022-02-28
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errKikuta, Junko; Kamagata, Koji; Taoka, Toshiaki; Takabayashi, Kaito; Uchida, Wataru; Saito, Yuya; Andica, Christina; Wada, Akihiko; Kawamura, Kaito; Akiba, Chihiro; Nakajima, Madoka; Miyajima, Masakazu; Naganawa, Shinji; Aoki, Shigeki
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An Investigation of Water Diffusivity Changes along the Perivascular Space in Elderly Subjects with Hypertension
err2021-11-18
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errKikuta, J.; Kamagata, K.; Takabayashi, K.; Taoka, T.; Yokota, H.; Andica, C.; Wada, A.; Someya, Y.; Tamura, Y.; Kawamori, R.; Watada, H.; Naganawa, S.; Aoki, S.
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