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Search: authors:"Yohei Koizumi"

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New diagnostic technique to evaluate hepatic steatosis using the attenuation coefficient on ultrasound B mode

) Author Contributions Conceptualization: Masashi Hirooka, Yoichi Hiasa. Data curation: Yohei Koizumi, Masashi Hirooka. Formal analysis: Yohei Koizumi, Osamu Nakashima. Supervision: Nobuharu Tamaki ... , Norihisa Yada, Namiki Izumi, Masatoshi Kudo. Writing ? original draft: Yohei Koizumi. Writing ? review & editing: Yoichi Hiasa. 10 / 12 11 / 12 1. Lazo M , Clark JM . The epidemiology of nonalcoholic fatty

Stimulated hepatic stellate cell promotes progression of hepatocellular carcinoma due to protein kinase R activation

: Yusuke Imai, Osamu Yoshida, Takao Watanabe, Atsushi Yukimoto, Yohei Koizumi, Yoshio Ikeda, Yoshio Tokumoto, Masashi Hirooka, Masanori Abe, Yoichi Hiasa. Funding acquisition: Osamu Yoshida, Yoichi Hiasa

Usefulness of a New Three-Dimensional Simulator System for Radiofrequency Ablation

Multipuncture radiofrequency ablation is expected to produce a large ablated area and reduce intrahepatic recurrence of hepatocellular carcinoma; however, it requires considerable skill. This study evaluated the utility of a new simulator system for multipuncture radiofrequency ablation. To understand positioning of multipuncture electrodes on three-dimensional images, we...