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  • Title: Feasibility and safety of laparoscopic and endoscopic cooperative surgery for gastric submucosal tumors, including esophagogastric junction tumors.
    Author: Hoteya S, Haruta S, Shinohara H, Yamada A, Furuhata T, Yamashita S, Kikuchi D, Mitani T, Ogawa O, Matsui A, Iizuka T, Udagawa H, Kaise M.
    Journal: Dig Endosc; 2014 Jul; 26(4):538-44. PubMed ID: 24355070.
    Abstract:
    BACKGROUND AND AIM: Recently, the use of endoscopic submucosal dissection (ESD) for gastric submucosal tumor (gSMT) and the development of laparoscopic and endoscopic cooperative surgery (LECS) have enabled either preservation of the stomach or minimization of the extent of partial resection. In the present study, the outcomes following the recent introduction of LECS for gSMT are presented. The aim of this retrospective study was to evaluate the feasibility and safety of LECS for gSMT, including esophagogastric junction (EGJ) SMT. METHODS: LECS is indicated for lesions that have an intragastric growth pattern, or for which fundusectomy can be avoided despite an extragastric growth pattern. We retrospectively evaluated the outcome of LECS carried out in 25 patients including five EGJ SMT. RESULTS: Surgery was completed achieving an R0 resection rate of 100% with no postoperative complications. Mean tumor size was 32.3 ± 13.5 mm and mean resected specimen size was 37.6 ± 13.5 mm. Resection margins were tumor-free in all cases, with adequate minimum surgical margins, and precise conclusive diagnosis was achieved with perfect operative specimens. Endoscopic confirmation of the EGJ enabled the extent of resection to be minimized and the stomach to be preserved, avoiding fundusectomy. Although there were significant differences in tumor size and resected specimen size between EGJ SMT and non-EGJ SMT, there were no significant differences in outcomes of the LECS procedure. CONCLUSION: LECS is feasible and safe for cases with gSMT including lesions adjacent to the EGJ.
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