Evaluation of the visibility of early gastric cancer using linked color imaging and blue laser imaging

by Yoshikazu Yoshifuku, Yoji Sanomura, Shiro Oka, Mio Kurihara, Takeshi Mizumoto, Tomohiro Miwata, Yuji Urabe, Toru Hiyama, Shinji Tanaka, Kazuaki Chayama
Published 2017-12-01

Clinical usefulness of magnifying endoscopy for non-ampullary duodenal tumors

by Takeshi Mizumoto, Yoji Sanomura, Shinji Tanaka, Kazutoshi Kuroki, Mio Kurihara, Yoshikazu Yoshifuku, Shiro Oka, Koji Arihiro, Fumio Shimamoto, Kazuaki Chayama
Published 2017-04-01

Clinical outcomes of endoscopic resection for superficial non-ampullary duodenal tumors

by Kazutaka Kuroki, Yoji Sanomura, Shiro Oka, Naoki Yorita, Mio Kurihara, Takeshi Mizumoto, Yoshikazu Yoshifuku, Koji Arihiro, Shinji Tanaka, Kazuaki Chayama
Published 2020-02-01

Clinical Usefulness of the VS Classification System Using Magnifying Endoscopy with Blue Laser Imaging for Early Gastric Cancer

by Yoshikazu Yoshifuku, Yoji Sanomura, Shiro Oka, Kazutaka Kuroki, Mio Kurihara, Takeshi Mizumoto, Yuji Urabe, Toru Hiyama, Shinji Tanaka, Kazuaki Chayama
Published 2017-01-01

Characteristics of Metachronous Gastric Tumors after Endoscopic Submucosal Dissection for Gastric Intraepithelial Neoplasms

by Tomoyuki Boda, Masanori Ito, Shiro Oka, Yoko Kitamura, Norifumi Numata, Yoji Sanomura, Taiji Matsuo, Shinji Tanaka, Masaharu Yoshihara, Koji Arihiro, Kazuaki Chayama
Published 2014-01-01

Use of anticoagulants increases risk of bleeding after colorectal endoscopic submucosal dissection

by Ken Yamashita, Shiro Oka, Shinji Tanaka, Kazuki Boda, Daiki Hirano, Kyoku Sumimoto, Takeshi Mizumoto, Yuki Ninomiya, Yuzuru Tamaru, Kenjiro Shigita, Nana Hayashi, Yoji Sanomura, Kazuaki Chayama
Published 2018-07-01