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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...
Endoscopic Procedures I: Esophagogastroduodenoscopy01:29

Endoscopic Procedures I: Esophagogastroduodenoscopy

An Esophagogastroduodenoscopy (EGD) is a diagnostic procedure in which an endoscopist uses a flexible, lighted endoscope to visualize the upper gastrointestinal (GI) tract. The procedure includes visualizing the oropharynx, esophagus, stomach, and the first part of the small intestine, the duodenum.
During an EGD, the endoscope can be used to:

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Related Experiment Video

Updated: May 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 submucosal dissection].

J Hochberger1, P Köhler, E Kruse

  • 1Sérvice de Gastroentérologie, Hôpitaux Universitaires de Strasbourg - NHC, 1 Place de l'Hôpital, 67000, Strasbourg (Cedex), Frankreich. juehochber@mac.com

Der Internist
|March 5, 2013
PubMed
Summary
This summary is machine-generated.

Endoscopic submucosal dissection (ESD) is a precise technique for removing early gastrointestinal cancers and precancerous lesions. Studies show ESD offers superior R0 resection and lower recurrence rates compared to older methods.

Related Experiment Videos

Last Updated: May 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

Area of Science:

  • Gastroenterology
  • Interventional Endoscopy
  • Surgical Oncology

Context:

  • Endoscopic submucosal dissection (ESD) originated in Japan and is now widely adopted in Europe.
  • Traditional loop excision methods often result in incomplete removal or uncertain margins for early cancers and precancerous lesions.
  • ESD enables en bloc resection of lesions larger than 1 cm, improving treatment efficacy.

Purpose:

  • To provide a comprehensive review of Endoscopic submucosal dissection (ESD) applications in the upper and lower gastrointestinal tract.
  • To highlight the technical aspects and advantages of ESD over conventional resection techniques.
  • To discuss the current status and future perspectives of ESD in clinical practice.

Summary:

  • Endoscopic submucosal dissection (ESD) involves marking, submucosal injection, and resection of gastrointestinal lesions using a specialized knife at the submucosal level.
  • This technique requires advanced endoscopic skills and is more time-intensive than snare resection.
  • ESD facilitates en bloc resection with clear margins, addressing limitations of previous methods for early cancers and precancerous lesions.

Impact:

  • ESD demonstrates superior R0 resection rates and reduced local recurrence compared to traditional techniques.
  • The procedure is crucial for managing early gastrointestinal malignancies and complex precancerous conditions.
  • ESD represents a significant advancement in minimally invasive gastrointestinal treatments, offering improved patient outcomes.