Prof Hironori Yamamoto

Dr. Hironori Yamamoto is Professor in the Department of Endoscopic Research and International Education at Jichi Medical University, Tochigi, Japan. Dr. Yamamoto invented double-balloon endoscopy in 1998 and published the first clinical report describing the technique in Gastrointestinal Endoscopy in 2001: “Total enteroscopy with a nonsurgical steerable double-balloon method” (Gastrointest Endosc.2001;53:216–220). He is also a pioneer in endoscopic submucosal dissection (ESD), having performed the procedure since 1998. He published the first reports of successful en bloc ESD for large superficial neoplasms of the stomach and colon: “Successful en bloc resection of a large superficial gastric cancer by using sodium hyaluronate and electrocautery incision forceps” (Gastrointest Endosc. 2001;54:629–632), and “Successful en bloc resection of large superficial tumors in the stomach and colon using sodium hyaluronate and a small-caliber-tip transparent hood” (Endoscopy. 2003;35:690–694). Dr. Yamamoto will serve as President of the 2nd Japan Gastroenterological Endoscopy Society International Meeting, to be held in Tokyo, Japan, on September 11–12, 2026.