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  • Title: Successful gastric submucosal tumor resection using laparoscopic and endoscopic cooperative surgery.
    Author: Tsujimoto H, Yaguchi Y, Kumano I, Takahata R, Ono S, Hase K.
    Journal: World J Surg; 2012 Feb; 36(2):327-30. PubMed ID: 22187132.
    Abstract:
    BACKGROUND: Laparoscopic wedge resections are increasingly utilized to treat gastric submucosal tumors (SMTs). However, laparoscopic wedge resection is not applicable for tumors located near the gastric inlet or outlet and requires resection of relatively large sections of healthy stomach, particularly if laparoscopic linear staplers are used. METHODS: Twenty consecutive patients underwent laparoscopic and endoscopic cooperative surgery (LECS) for resection of gastric SMTs. The procedure was performed under general anesthesia. The mucosal and submucosal layers around the tumor were circumferentially dissected using endoscopic submucosal dissection via intraluminal endoscopy. Subsequently, the seromuscular layer involving three-fourths of the line of the incision around the tumor was laparoscopically dissected. The submucosal tumor was then exteriorized to the abdominal cavity and dissected with an endoscopic linear stapling device. RESULTS: In all cases, the LECS procedure was successful in dissecting the gastric SMT. The tumor was located in the upper third of the stomach in eight cases, in the middle third in eight cases, and in the lower third in four cases. The mean operating time was 157.0 ± 68.4 minutes, and the mean intraoperative blood loss was 3.5 ± 6.4 ml. The postoperative course was uneventful in all cases. CONCLUSIONS: We demonstrated the feasibility and satisfactory surgical outcomes after LECS for gastric SMT. With LECS, relatively small sections of healthy gastric wall are resected without postoperative morbidity or mortality. Thus, LECS is safe, easy, and beneficial for laparoscopic resection of SMTs, although care should be taken to avoid gastric juice contamination.
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