Ken Namikawa, Tomoari Kamada, Junko Fujisaki, Yuichi Sato, Takahisa Murao, Tsutomu Chiba, Yasuharu Kaizaki, Kenji Ishido, Yutaro Ihara, Koichi Kurahara, Tomoaki Suga, Haruhisa Suzuki, Masanori Ito, Katsuya Hirakawa, Yasuhiko Maruyama, Takuji Gotoda, Osamu Hosokawa, Tomohiro Koike, Katsuhiro Mabe, Takashi Yao, Kazuo Inui, Hiroyasu Iishi, Haruhiko Ogata, Takahisa Furuta, Ken Haruma
OBJECTIVES: Optimal management of type 1 gastric neuroendocrine tumors (T1-GNETs) remains unknown, with few reports on their long-term prognosis. This study investigated the clinical characteristics and long-term prognosis of T1-GNETs. METHODS: We reviewed the medical records of patients diagnosed with T1-GNET during 1991-2019 at 40 institutions in Japan. RESULTS: Among 172 patients, endoscopic resection, endoscopic surveillance, and surgery were performed in 84, 61, and 27, respectively, including 27, 77, and 2 patients with pT1a-M, pT1b-SM, and pT2 tumors, respectively...
January 31, 2023: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society