Surgical Endoscopy

, Volume 22, Issue 7, pp 1729–1735

Laparoscopic and endoscopic cooperative surgery for gastrointestinal stromal tumor dissection

  • N. Hiki
  • Y. Yamamoto
  • T. Fukunaga
  • T. Yamaguchi
  • S. Nunobe
  • M. Tokunaga
  • A. Miki
  • S. Ohyama
  • Y. Seto
Technique

Abstract

Background

Laparoscopic wedge resections are increasingly applied for gastric submucosal tumors such as gastrointestinal stromal tumor (GIST). Despite this, no defined strategy exists to guide the surgeon in choosing the appropriate laparoscopic technique for an individual case on the basis of tumor characteristics such as location or size. This study aimed to introduce a laparoscopic and endoscopic cooperative surgery (LECS) for gastric wedge resection that is applicable for submucosal tumor resection independent of tumor location and size.

Methods

Seven patients underwent LECS for the resection of gastric submucosal tumors. Both mucosal and submucosal layers around the tumor were circumferentially dissected using endoscopic submucosal dissection via intraluminal endoscopy. Subsequently, the seromusclar layer was laparoscopically dissected on the exact three-fourths cut line around the tumor. The submucosal tumor then was exteriorized to the abdominal cavity and dissected with a standard endoscopic stapling device.

Results

In all cases, the LECS procedure was successful for dissecting out the gastric submucosal tumor. In four of seven cases, the tumor was located in the upper gastric portion near the esophagogastric junction. The remaining three tumors were in the posterior gastric wall. In two cases, the tumors were more than 5 cm in diameter, and one was a GIST of the remnant stomach. The mean operation time was 169 ± 17 min, and the estimated blood loss was 7 ± 2 ml. The postoperative course was uneventful in all cases.

Conclusions

The LECS procedure for dissection of gastric submucosal tumors such as GIST may be performed safely with reasonable operation times, less bleeding, and adequate cut lines. In addition, the success of the procedure does not depend on the tumor location such as the vicinity of the esophagogastric junction or pyloric ring.

Keywords

Endoscopy Gastrointestinal stromal tumor GIST Laparoscopy Endoscopic submucosal dissection (ESD) 

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Copyright information

© Springer Science+Business Media, LLC 2007

Authors and Affiliations

  • N. Hiki
    • 1
  • Y. Yamamoto
    • 2
  • T. Fukunaga
    • 1
  • T. Yamaguchi
    • 1
  • S. Nunobe
    • 1
  • M. Tokunaga
    • 1
  • A. Miki
    • 1
  • S. Ohyama
    • 1
  • Y. Seto
    • 1
  1. 1.Department of Gastroenterological Surgery, Gastroenterological CenterCancer Institute Hospital, Japanese Foundation for Cancer ResearchTokyoJapan
  2. 2.Department of Gastroenterological Endoscopy, Gastroenterological CenterCancer Institute Hospital, Japanese Foundation for Cancer ResearchTokyoJapan

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