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Updated: May 29, 2026
Laparoscopy-endoscopy Cooperative Surgery for the Treatment of Gastric Gastrointestinal Stromal Tumors
Published on: February 19, 2022
Surgical advantages of gastric SMTs by laparoscopy and endoscopy cooperative surgery
Hiroshi Kawahira1, Hideki Hayashi, Toshiyuki Natsume
1Chiba University, Chiba, Japan. hk@faculty.chiba-u.jp
Background/Aims:
The treatment of gastric submucosal tumors (SMTs) is strictly surgical and enucleation of the tumor or wedge resection of the stomach is efficient to achieve R0 resection. Laparoscopic and endoscopic cooperative surgery (LECS) can be safely performed with adequate cutting lines. This study describes the initial 16 cases treated by LECS and evaluates the advantages by LECS for gastric SMTs retrospectively.
Methodology:
Sixteen patients with gastric SMT underwent LECS from June 2007 to December 2010, their surgical data, clinical characteristics and surgical specimens of SMTs were compared. The surgical specimens of 9 gastric SMTs treated by laparoscopic wedge resection (LWR) were compared as a control.
Results:
The median (range) length of operation time, blood loss, hospital stay after surgery were minutes 172 (115- 220), <5mL (<5-115) and 10 days (6-17), respectively. The median (range) ratio of the longest diameter of the tumor divided by the longest diameter of the surgical specimen in LECS and LWR were 0.86 (0.625-1.0) and 0.69 (0.44-1.0), respectively (p=0.0189, Wilcoxon rank sum test).
Conclusions:
LECS minimizes the surgical specimen while still providing sufficient surgical margins to successfully cure gastric SMTs.
