Strategy of Laparoscopic Partial Resection for Gastric Gastrointestinal Stromal Tumors According to the Growth Pattern

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Laparoscopic partial gastrectomy is the standard surgical treatment for gastric gastrointestinal stromal tumor (GIST). However, to reduce gastric deformation, the tumor margins should be secured so as to minimize the size of the resection as much as possible. This is the report on the 3 laparoscopic resection techniques for gastric GIST depending upon the growth pattern and location of the tumor, and their results. We performed laparoscopic partial gastrectomy for 41 gastric GISTs between 2004 and 2012. Simple resection was used on exophytic or small GISTs. Seromuscular resection was used on exoendophytic (intramural) and relatively small endophytic tumors. Transgastric resection was used in cases of large endophytic tumors. We performed simple resection on 24 lesions (58.5%), seromuscular resection on 14 lesions (34.1%), and transgastric resection on 3 lesions (7.3%). There were no intraoperative complications. Postoperative complications included 1 case (2.5%) of bleeding from the staple line.

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