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Related Experiment Video

Updated: Jul 2, 2026

Laparoscopy-endoscopy Cooperative Surgery for the Treatment of Gastric Gastrointestinal Stromal Tumors
05:16

Laparoscopy-endoscopy Cooperative Surgery for the Treatment of Gastric Gastrointestinal Stromal Tumors

Published on: February 19, 2022

Reverse Endoscopic Full-Thickness Resection for Gastric Submucosal Tumors With a Predominant Extraluminal Growth

Ziyi Li1, Zhukai Chen1, Weikun Zhang1

  • 1Department of Gastroenterology, Endoscopy Center, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China.

Clinical and Translational Gastroenterology
|May 8, 2026
PubMed
Summary

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This summary is machine-generated.

Resecting large gastric GISTs (gastrointestinal stromal tumors) with extraluminal growth is challenging. Robotic endoscopic full-thickness resection (R-EFTR) proved feasible and effective for tumors up to 5 cm, with no recurrence observed.

Area of Science:

  • Gastroenterology
  • Surgical Oncology
  • Minimally Invasive Surgery

Background:

  • Large GISTs with extraluminal growth present surgical challenges due to vascularity and proximity to organs.
  • Endoscopic full-thickness resection (EFTR) is difficult for these complex tumors.

Purpose of the Study:

  • To assess the feasibility and outcomes of robotic endoscopic full-thickness resection (R-EFTR) for gastric GISTs with extraluminal growth.

Main Methods:

  • Retrospective analysis of 43 patients undergoing R-EFTR for gastric GISTs (2-5 cm) with extraluminal growth.
  • Data collection included clinicopathologic features, surgical parameters, and follow-up outcomes.

Main Results:

  • Successful en bloc resection achieved in 95.3% of cases.
Keywords:
endoscopic full-thickness resectionextraluminal growth patterngastrointestinal stromal tumors

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  • Tumors >3 cm correlated with longer operative times.
  • Gastric defect closure varied between twin clips and endoloop-clips, with the latter associated with longer procedures.

    • Conclusions:

    • R-EFTR is a viable option for gastric GISTs (2-5 cm) with extraluminal growth.
    • Tumor size >3 cm increases complexity; endoloop-clip closure requires cautious interpretation.