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Updated: Jun 18, 2026
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Evaluation of the Effectiveness of Longitudinal Incision for Endoscopic Submucosal Excavation of Gastric Subepithelial Lesions
Published on: April 28, 2026
Endoscopic submucosal dissection for superficial duodenal neoplasms
Tetsuro Honda1, Hironori Yamamoto, Hiroyuki Osawa
1Department of Medicine, Division of Gastroenterology, Jichi Medical University, Shimotsuke-city, Tochigi, Japan. 97077th@jichi.ac.jp
Summary
Endoscopic submucosal dissection (ESD) offers en bloc resection for superficial mucosal neoplasms. This study reports successful duodenal ESD using an ST hood and hook knife in nine patients.
Area of Science:
- Gastroenterology
- Endoscopic Surgery
- Oncology
Background:
- Endoscopic submucosal dissection (ESD) is a key technique for superficial neoplastic lesions.
- Initially developed for gastric cancer, ESD is now applied throughout the gastrointestinal tract.
- Duodenal ESD presents unique challenges compared to other locations.
Purpose of the Study:
- To evaluate the feasibility and outcomes of duodenal ESD.
- To report experience with a specific technique combining ST hood and hook knife for duodenal ESD.
Main Methods:
- Retrospective analysis of 15 superficial duodenal neoplastic lesions in 14 patients (August 2005 - March 2008).
- Nine patients underwent ESD using a combination of ST hood and hook knife.
- En bloc resection was the primary goal.
Main Results:
- ESD was successfully performed in nine patients with superficial duodenal neoplastic lesions.
- The technique utilizing ST hood and hook knife facilitated duodenal ESD.
- Detailed outcomes regarding resection success and complications were observed.
Conclusions:
- Duodenal ESD is a viable option for selected superficial neoplastic lesions.
- The combination of ST hood and hook knife is effective for duodenal ESD.
- Further research can optimize this technique for broader application.
