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  1. Article

    Open Access

    Three-dimensional convolutional neural network-based classification of chronic kidney disease severity using kidney MRI

    A three-dimensional convolutional neural network model was developed to classify the severity of chronic kidney disease (CKD) using magnetic resonance imaging (MRI) Dixon-based T1-weighted in-phase (IP)/oppose...

    Keita Nagawa, Yuki Hara, Kaiji Inoue, Yosuke Yamagishi in Scientific Reports (2024)

  2. Article

    Open Access

    Three-dimensional magnetic resonance imaging-based statistical shape analysis and machine learning-based prediction of patellofemoral instability

    This study performed three-dimensional (3D) magnetic resonance imaging (MRI)-based statistical shape analysis (SSA) by comparing patellofemoral instability (PFI) and normal femur models, and developed a machin...

    Keita Nagawa, Kaiji Inoue, Yuki Hara, Hirokazu Shimizu in Scientific Reports (2024)

  3. Article

    Open Access

    The utility of automatic segmentation of kidney MRI in chronic kidney disease using a 3D convolutional neural network

    We developed a 3D convolutional neural network (CNN)-based automatic kidney segmentation method for patients with chronic kidney disease (CKD) using MRI Dixon-based T1-weighted in-phase (IP)/opposed-phase (OP)...

    Kaiji Inoue, Yuki Hara, Keita Nagawa, Masahiro Koyama in Scientific Reports (2023)

  4. Article

    Open Access

    Predictors of cartilage degeneration in patients with subchondral insufficiency fracture of the femoral head: a retrospective study

    There is evidence that the cause of primary osteoarthritis (OA) is related to the changes in subchondral bone; however, the influence of subchondral insufficiency fracture (SIF) of the femoral head on the dege...

    Tomohiro Shimizu, Shunichi Yokota, Yosuke Kimura in Arthritis Research & Therapy (2020)

  5. No Access

    Article

    Ten years change in post-fracture care for hip fracture patients

    This multicenter, retrospective study aimed to clarify the changes in postoperative care provided by orthopaedic surgeons after hip fractures and clarify the incidence of secondary fractures requiring surgery.

    Shun Shimodan, Dai Sato, Kaname Takahashi in Journal of Bone and Mineral Metabolism (2020)

  6. Article

    Open Access

    Corticosteroid dose increase is a risk factor for nonalcoholic fatty liver disease and contralateral osteonecrosis of the femoral head: a case report

    The incidence of bilateral corticosteroid-induced osteonecrosis of the femoral head (ONFH) is high. Although the precise mechanism of corticosteroid-induced ONFH development is unclear, hepatic enzyme abnormal...

    Hirokazu Shimizu, Tomohiro Shimizu, Daisuke Takahashi in BMC Musculoskeletal Disorders (2019)

  7. No Access

    Article

    Successful ethinylestradiol therapy for a metastatic breast cancer patient with heavily pre-treated with endocrine therapies

    The critical strategy leading to the success of endocrine therapy in metastatic breast cancer is ex tended duration of treatment. Here, we report a case with late-stage metastatic breast cancer who dramaticall...

    Aiko Sueta, Mitsuhiro Hayashi in International Cancer Conference Journal (2016)

  8. No Access

    Chapter and Conference Paper

    Integrated LCA for Printing Service in an emerging country

    In most of emerging countries in Asia, such as Thailand, Printing Service LCA is not organized, so schematization and localization of practical methodology is transferred thanks to the joint research project b...

    Hirokazu Shimizu, Katsuya Nagata in Design for Innovative Value Towards a Sust… (2012)

  9. No Access

    Article

    Changes in Na+, K+ concentrations in perspiration and perspiration volume with alternating current iontophoresis in palmoplantar hyperhidrosis patients

    Various treatments are currently available for palmoplantar hyperhidrosis. We have treated palmoplantar hyperhidrosis patients effectively with the use of alternating current (AC) iontophoresis. However, much ...

    Yuichiro Ohshima, Hirokazu Shimizu in Archives of Dermatological Research (2008)

  10. No Access

    Article

    Thermal Conductivity of Porous Silicon Evaluated from Phase Characteristics of Photoacoustic Spectroscopy

    Porous silicon (PS), well known as a visible luminescent material, has been revealed to be an attractive candidate for an ultrasonic emitter recently. Since the ultrasonic emission is based on a thermal proces...

    Masato Ohmukai, Hirokazu Shimizu, Yasuo Tsutsumi in MRS Online Proceedings Library (2004)