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Related Experiment Video

Updated: Jun 13, 2026

The Pocket-Creation Procedure of Endoscopic Submucosal Dissection for Large Rectal Laterally Spreading Tumors
04:09

The Pocket-Creation Procedure of Endoscopic Submucosal Dissection for Large Rectal Laterally Spreading Tumors

Published on: February 13, 2026

Endoscopic mucosal resection using a grasp-and-snare technique.

D von Renteln1, A Schmidt, M C Vassiliou

  • 1Department of Gastroenterology, Hepatology, and Oncology, Klinikum Ludwigsburg, Ludwigsburg, Germany. renteln@gmx.net

Endoscopy
|May 1, 2010
PubMed
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A novel grasp-and-snare endoscopic mucosal resection (EMR) technique is feasible for superficial gastrointestinal lesions. This efficient method achieved complete en bloc resection in most cases in an animal model.

Area of Science:

  • Gastroenterology
  • Minimally Invasive Surgery
  • Endoscopic Techniques

Background:

  • Endoscopic mucosal resection (EMR) is a standard minimally invasive technique for removing superficial gastrointestinal lesions.
  • Evaluating novel techniques is crucial for improving EMR efficiency and safety.

Purpose of the Study:

  • To assess the feasibility of a new grasp-and-snare EMR technique.
  • To compare the efficiency of this novel technique against standard EMR methods.

Main Methods:

  • The study utilized a novel grasp-and-snare EMR technique in a domestic pig model.
  • A double-channel endoscope, tissue anchor, and monofilament snare were employed for lesion resection.
  • Submucosal injection, mucosal incision, and snare-based resection using electrocautery were performed.

Related Experiment Videos

Last Updated: Jun 13, 2026

The Pocket-Creation Procedure of Endoscopic Submucosal Dissection for Large Rectal Laterally Spreading Tumors
04:09

The Pocket-Creation Procedure of Endoscopic Submucosal Dissection for Large Rectal Laterally Spreading Tumors

Published on: February 13, 2026

Main Results:

  • The novel grasp-and-snare EMR technique was successfully applied to gastric lesions in 10 pigs.
  • Complete en bloc resection was achieved in 90% of cases, with a mean procedure time of 32.4 minutes.
  • One gastric wall perforation occurred, highlighting the need for precise tissue anchor placement.

Conclusions:

  • The grasp-and-snare EMR technique is a feasible and efficient method for resecting superficial gastrointestinal lesions in an animal model.
  • Careful placement of the tissue anchor within the submucosal layer is essential to prevent perforation.
  • This technique shows promise for improving EMR procedures.