PURPOSE: This study aimed to verify the long-term outcome of a minimally invasive endoscopic or laparoscopic approach for the treatment of gastric gastrointestinal stromal tumor (GIST).
METHODS: This single-center study involved a retrospective review of gastric tumors that were pathologically confirmed as GIST. A total of 84 patients who underwent minimally invasive endoscopic or laparoscopic resection for gastric GIST were enrolled from February 2002 to June 2007. These demographics, tumor characteristics, and outcomes were analyzed for identification of outcomes and feasibility of endoscopic or laparoscopic resection.
RESULTS: Of 84 patients, 27 and 57 patients underwent endoscopic and laparoscopic resection, respectively. The average tumor size was 3.1 ± 1.7 cm. With a mean follow-up of 40.5 ± 20.7 months, 82 (97.7%) patients were disease free. Two patients, both of whom underwent laparoscopic resection, were alive with peritoneal recurrence. Two (7.4%) and 6 (10.5%) patients, respectively, had postoperative complications after endoscopic resection and laparoscopic resection. There was no significant difference in the operative morbidity according to tumor size. There was no postoperative mortality.
CONCLUSIONS: Laparoscopic surgery for gastric GIST is safe and feasible, even in large (>5 cm) tumors. Because endoscopic resection showed good results without recurrence, this approach can be useful in selected cases with a high operative risk or a need for preservation of organ function.
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