Publications by authors named "Keigo Shimoji"

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Retrieval-augmented generation elevates local LLM quality in radiology contrast media consultation.
Akihiko Wada, Yuya Tanaka, Mitsuo Nishizawa, Akira Yamamoto, Toshiaki Akashi, Keigo Shimoji

NPJ Digit Med· July 2025

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Data Science in Medical and Healthcare: Current Landscape.
Wataru Uchida, Guo Sen, Sun Zhe, Tianxiang Lyu, Christina Andica, Keigo Shimoji

Juntendo Med J· April 2025

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Deep Learning-Driven Transformation: A Novel Approach for Mitigating Batch Effects in Diffusion MRI Beyond Traditional Harmonization.
Akihiko Wada, Toshiaki Akashi, Akifumi Hagiwara, Mitsuo Nishizawa, Keigo Shimoji

J Magn Reson Imaging· August 2024

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Optimizing GPT-4 Turbo Diagnostic Accuracy in Neuroradiology through Prompt Engineering and Confidence Thresholds.
Akihiko Wada, Toshiaki Akashi, George Shih, Akifumi Hagiwara, Mitsuo Nishizawa, Keigo Shimoji

Diagnostics (Basel)· July 2024

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Lipocalin-type prostaglandin D synthase: a glymphopathy marker in idiopathic hydrocephalus.
Namiko Nishida, Nanae Nagata, Keigo Shimoji, Naoto Jingami, Kengo Uemura

Front Aging Neurosci· April 2024

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Glymphatic system impairment in sleep disruption: diffusion tensor image analysis along the perivascular space (DTI-ALPS).
Yuya Saito, Yayoi Hayakawa, Koji Kamagata, Junko Kikuta, Takeshi Mita, Keigo Shimoji

Jpn J Radiol· December 2023

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Glymphatic system impairment in corticobasal syndrome: diffusion tensor image analysis along the perivascular space (DTI-ALPS).
Yuya Saito, Koji Kamagata, Christina Andica, Wataru Uchida, Kaito Takabayashi, Keigo Shimoji

Jpn J Radiol· November 2023

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Traveling Subject-Informed Harmonization Increases Reliability of Brain Diffusion Tensor and Neurite Mapping.
Yuya Saito, Koji Kamagata, Christina Andica, Norihide Maikusa, Wataru Uchida, Keigo Shimoji

Aging Dis· November 2023

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Reproducibility of automated calculation technique for diffusion tensor image analysis along the perivascular space.
Yuya Saito, Koji Kamagata, Christina Andica, Wataru Uchida, Kaito Takabayashi, Keigo Shimoji

Jpn J Radiol· September 2023

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Review of Performance Improvement of a Noninvasive Brain-computer Interface in Communication and Motor Control for Clinical Applications.
Yuya Saito, Koji Kamagata, Toshiaki Akashi, Akihiko Wada, Keigo Shimoji

Juntendo Iji Zasshi· August 2023

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White matter fiber-specific degeneration in older adults with metabolic syndrome.
Christina Andica, Koji Kamagata, Wataru Uchida, Kaito Takabayashi, Keigo Shimoji

Mol Metab· August 2022

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Comparison of Brain Volume Measurements Made with 0.3- and 3-T MR Imaging.
Syo Murata, Akifumi Hagiwara, Hideyoshi Kaga, Yuki Someya, Kiyotaka Nemoto, Keigo Shimoji

Magn Reson Med Sci· July 2022

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Association between white matter alterations on diffusion tensor imaging and incidence of frailty in older adults with cardiometabolic diseases.
Yoshiaki Tamura, Keigo Shimoji, Joji Ishikawa, Yuji Murao, Fumino Yorikawa

Front Aging Neurosci· July 2022

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Comprehensive Volumetric Analysis of -Null Mouse Model for Rett Syndrome by T2-Weighted 3D Magnetic Resonance Imaging.
Yuichi Akaba, Tadashi Shiohama, Yuji Komaki, Fumiko Seki, Alpen Ortug, Keigo Shimoji

Front Neurosci· May 2022

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Temporal Progression Patterns of Brain Atrophy in Corticobasal Syndrome and Progressive Supranuclear Palsy Revealed by Subtype and Stage Inference (SuStaIn).
Yuya Saito, Koji Kamagata, Peter A Wijeratne, Christina Andica, Wataru Uchida, Keigo Shimoji

Front Neurol· February 2022

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Subclinical Atherosclerosis, Vascular Risk Factors, and White Matter Alterations in Diffusion Tensor Imaging Findings of Older Adults With Cardiometabolic Diseases.
Yoshiaki Tamura, Keigo Shimoji, Joji Ishikawa, Yoshinori Matsuo, So Watanabe

Front Aging Neurosci· August 2021

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Associations between sarcopenia and white matter alterations in older adults with diabetes mellitus: A diffusion tensor imaging study.
Yoshiaki Tamura, Keigo Shimoji, Joji Ishikawa, Aya Tachibana, Remi Kodera

J Diabetes Investig· April 2021

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MMSE Cutoff Discriminates Hippocampal Atrophy: Neural Evidence for the Cutoff of 24 Points.
Ryota Sakurai, Yuri Kim, Hiroki Inagaki, Aya M Tokumaru, Keita Sakurai, Keigo Shimoji

J Am Geriatr Soc· March 2021

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Differences in the association between white matter hyperintensities and gait performance among older adults with and without cognitive impairment.
Ryota Sakurai, Hiroki Inagaki, Aya M Tokumaru, Keita Sakurai, Keigo Shimoji

Geriatr Gerontol Int· March 2021

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Corrigendum to "Predictors of Recovery from Traumatic Brain Injury-Induced Prolonged Consciousness Disorder".
Hiroaki Abe, Keigo Shimoji, Yoshihide Nagamine, Satoru Fujiwara, Shin-Ichi Izumi

Neural Plast· November 2020

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Voxel-based morphometry focusing on medial temporal lobe structures has a limited capability to detect amyloid β, an Alzheimer's disease pathology.
Masashi Kameyama, Kenji Ishibashi, Jun Toyohara, Kei Wagatsuma, Yumi Umeda-Kameyama, Keigo Shimoji

Aging (Albany NY)· October 2020

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Severe Acute Pancreatitis in Autopsies Associated With Surgeries and Severe Inflammatory Diseases.
Yoko Matsuda, Yoshishige Masuda, Keigo Shimoji, Miho Matsukawa, Yuko Kinowaki

Pancreas· September 2020

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White matter changes in children and adolescents with reactive attachment disorder: A diffusion tensor imaging study.
Kai Makita, Shinichiro Takiguchi, Hiroaki Naruse, Koji Shimada, Shigemi Morioka, Keigo Shimoji

Psychiatry Res Neuroimaging· September 2020

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MR g-ratio-weighted connectome analysis in patients with multiple sclerosis.
Koji Kamagata, Andrew Zalesky, Kazumasa Yokoyama, Christina Andica, Akifumi Hagiwara, Keigo Shimoji

Sci Rep· September 2019

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Gray Matter Alterations in Early and Late Relapsing-Remitting Multiple Sclerosis Evaluated with Synthetic Quantitative Magnetic Resonance Imaging.
Christina Andica, Akifumi Hagiwara, Koji Kamagata, Kazumasa Yokoyama, Keigo Shimoji

Sci Rep· May 2019

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