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Related Concept Videos

Endoscopic Procedures V: ERCP01:26

Endoscopic Procedures V: ERCP

Endoscopic Retrograde Cholangiopancreatography (ERCP) is a diagnostic procedure that combines endoscopy and fluoroscopy to diagnose and treat conditions related to the bile ducts, pancreatic ducts, and gallbladder. This procedure is beneficial for identifying and addressing blockages, gallstones, strictures, and tumors within the biliary or pancreatic systems. ERCP is both diagnostic and therapeutic, offering the ability to visualize and treat identified problems in one session.
Patient...
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:
Endoscopic Procedures II: Colonoscopy01:25

Endoscopic Procedures II: Colonoscopy

The colon, or large intestine, is the final segment of the digestive system. Its primary functions include absorbing water and vitamins produced by gut bacteria and transforming waste from liquid to solid to form stool. In adults, the large intestine is approximately 5 feet long and consists of four main sections:

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Related Experiment Video

Updated: May 16, 2026

Improved Hysteroscopic Resection of Endometrial Polyps Using 6-Fr Micro-Scissors and Forceps
03:01

Improved Hysteroscopic Resection of Endometrial Polyps Using 6-Fr Micro-Scissors and Forceps

Published on: August 2, 2024

The 'difficult' polyp: pitfalls for endoscopic removal.

M Jung1

  • 1Klinik für Innere Medizin und Gastroenterologie, Katholisches Klinikum Mainz, Akademisches Lehrkrankenhaus der Johannes Gutenberg-Universität Mainz, Mainz, Germany. M-Jung@kkmainz.de

Digestive Diseases (Basel, Switzerland)
|December 5, 2012
PubMed
Summary
This summary is machine-generated.

Endoscopic resection is key for removing early colorectal cancers and adenomas. Techniques like submucosal dissection and lifting improve polyp removal and aid in assessing malignancy, reducing risks of bleeding and perforation.

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Clinical Application of Single-Surgeon, Three-Port, Laparoscopic Resection for Colorectal Cancer with Natural Orifice Specimen Extraction
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Clinical Application of Single-Surgeon, Three-Port, Laparoscopic Resection for Colorectal Cancer with Natural Orifice Specimen Extraction

Published on: March 24, 2023

Related Experiment Videos

Last Updated: May 16, 2026

Improved Hysteroscopic Resection of Endometrial Polyps Using 6-Fr Micro-Scissors and Forceps
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Clinical Application of Single-Surgeon, Three-Port, Laparoscopic Resection for Colorectal Cancer with Natural Orifice Specimen Extraction
08:26

Clinical Application of Single-Surgeon, Three-Port, Laparoscopic Resection for Colorectal Cancer with Natural Orifice Specimen Extraction

Published on: March 24, 2023

Area of Science:

  • Gastroenterology
  • Surgical Oncology
  • Endoscopic Surgery

Background:

  • Adenomatous polyps represent early stages of colorectal cancer, often resectable via endoscopy.
  • Various endoscopic techniques exist, including loop polypectomy, endoscopic mucosal resection, and endoscopic submucosal dissection.
  • Accurate assessment and complete removal are crucial for patient outcomes.

Purpose of the Study:

  • To review endoscopic resection techniques for colorectal adenomas and early cancers.
  • To highlight the importance of 'one-piece' resection and histopathological analysis.
  • To discuss methods for managing difficult polyps and preventing resection-related complications.

Main Methods:

  • Review of established endoscopic resection techniques (polypectomy, EMR, ESD).
  • Discussion of the 'lifting sign' as a criterion for malignancy assessment.
  • Description of strategies for managing large, flat, or difficult-to-assess polyps.
  • Overview of methods to prevent and manage bleeding and perforation during resection.

Main Results:

  • One-piece endoscopic polyp removal is essential for accurate histopathology and confirmation of complete resection.
  • The 'lifting sign' aids in evaluating malignancy, though negative signs may indicate deeper invasion or scarring.
  • Endoscopic submucosal dissection is effective for large, laterally spreading tumors but has a learning curve.
  • Chromoendoscopy aids in differentiating lesion types and identifying dysplasia in ulcerative colitis patients.
  • Preventive measures like hemoclip application and adrenaline injection reduce bleeding risk; hemoclips can also manage small perforations.

Conclusions:

  • Endoscopic resection is a primary treatment for early colorectal neoplasia.
  • Careful technique, including 'one-piece' removal and assessment aids like the 'lifting sign', optimizes outcomes.
  • Management of difficult polyps and complications requires specialized endoscopic skills and tools.