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  • Title: Tailored laparoscopic resection for suspected gastric gastrointestinal stromal tumors.
    Author: Sasaki A, Koeda K, Obuchi T, Nakajima J, Nishizuka S, Terashima M, Wakabayashi G.
    Journal: Surgery; 2010 Apr; 147(4):516-20. PubMed ID: 20004449.
    Abstract:
    BACKGROUND: The aim of the present study was to evaluate the long-term outcomes of tailored laparoscopic resections for suspected gastric gastrointestinal stromal tumors (GISTs) based on the tumor size, location, and growth morphology. METHODS: Between February 1994 and April 2009, 64 patients undergoing gastric resections of suspected gastric GISTs were identified in a prospectively collected database. Medical records were reviewed for patient demographics, perioperative outcomes, and follow-up. RESULTS: Forty-five patients underwent attempted laparoscopic resections, with 44 completed laparoscopically. Twenty-eight neoplasms were located in the upper third of the stomach (including 6 neoplasms at the esophagogastric junction), 9 in the middle third, and 8 in the lower third (including 4 prepyloric neoplasms). Laparoscopic approaches included 35 exogastric (3 single incision access) and 10 transgastric approaches. Median operating time was 100min (range, 30-240), and blood loss was 5ml (range, 1-80). Median tumor size and operative margin were 32mm (range, 16-74) and 7mm (range, 1-20), respectively. One patient was converted to an open, pylorus-preserving gastrectomy. One patient developed a complication. The histopathologic risk assessment classifications of 37 GISTs were 2 very low, 26 low, 7 intermediate, and 2 high risk. Although 1 patient developed a local recurrence after intragastric resection, all 45 patients were disease free at a median follow-up of 74 months (range, 1-181). CONCLUSION: Although technically demanding, tailored laparoscopic resection based on tumor characteristics in most patients with suspected gastric GIST is safe and feasible and resultis in good both surgical and oncologic outcomes.
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