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Related Concept Videos

Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy01:26

Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy

Sigmoidoscopy and laparoscopy are distinct medical procedures that enable physicians to internally inspect different parts of the GI tract. Although they serve different purposes, each is essential for diagnosing and, in some cases, treating various medical conditions.
Sigmoidoscopy
Sigmoidoscopy is a diagnostic procedure that uses a flexible sigmoidoscope equipped with a light source and camera to examine the rectum and sigmoid colon. The procedure involves inserting the tube through the anus...

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Related Experiment Video

Updated: Jul 5, 2026

Evaluation of the Effectiveness of Longitudinal Incision for Endoscopic Submucosal Excavation of Gastric Subepithelial Lesions
04:08

Evaluation of the Effectiveness of Longitudinal Incision for Endoscopic Submucosal Excavation of Gastric Subepithelial Lesions

Published on: April 28, 2026

Endoscopic submucosal dissection for gastrointestinal neoplasms.

Naomi Kakushima1, Mitsuhiro Fujishiro

  • 1Department of Gastroenterology, The University of Tokyo, Graduate School of Medicine, 7-3-1 Hongo, Bunkyoku, Tokyo 113-8655, Japan. kakushin-tky@umin.ac.jp

World Journal of Gastroenterology
|May 22, 2008
PubMed
Summary

Endoscopic submucosal dissection (ESD) is an advanced endoscopic technique for superficial gastrointestinal tumors. It offers en-bloc resection for early gastric cancer and is expanding to other organs, but requires careful consideration of metastasis risk and technical factors.

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

Published on: February 13, 2026

Related Experiment Videos

Last Updated: Jul 5, 2026

Evaluation of the Effectiveness of Longitudinal Incision for Endoscopic Submucosal Excavation of Gastric Subepithelial Lesions
04:08

Evaluation of the Effectiveness of Longitudinal Incision for Endoscopic Submucosal Excavation of Gastric Subepithelial Lesions

Published on: April 28, 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

Area of Science:

  • Gastroenterology and Endoscopy
  • Surgical Oncology

Background:

  • Endoscopic submucosal dissection (ESD) is a sophisticated therapeutic endoscopy technique.
  • It involves submucosal fluid injection, mucosal incision, and submucosal dissection for superficial gastrointestinal neoplasms.

Discussion:

  • ESD has shown excellent en-bloc resection results for early gastric cancer in Japan, surpassing endoscopic mucosal resection (EMR).
  • The technique is increasingly applied to esophageal and colorectal neoplasms, with favorable short-term outcomes.
  • Challenges remain in reducing technical difficulty, particularly regarding lesion location, ulceration, and operator expertise.

Key Insights:

  • ESD enables en-bloc resection of superficial gastrointestinal neoplasms.
  • Its application in early gastric cancer treatment is well-established, with growing use in other GI tract areas.
  • Careful patient selection is crucial, considering nodal metastasis potential, technical complexity, and organ-specific factors.

Outlook:

  • Further refinement of ESD techniques is needed to address its inherent technical challenges.
  • Expanded application of ESD to various gastrointestinal sites is anticipated.
  • Continued research will focus on optimizing patient selection and improving outcomes for ESD procedures.