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Related Concept Videos

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:
Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy01:26

Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy

This lesson explores three gastrointestinal imaging techniques: radionuclide testing, colonic transit studies, and virtual colonoscopy.
Radionuclide Testing
Radionuclide testing is a sophisticated medical technique for assessing gastrointestinal motility. It focuses on gastric emptying and colonic transit time. Radioactive markers track the movement of food through the digestive system, providing insights into gastrointestinal disorders.
In gastric emptying studies, a meal's liquid and solid...
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...
Inflammatory Bowel Disease V: Surgical Management01:21

Inflammatory Bowel Disease V: Surgical Management

Surgical interventions for inflammatory bowel disease (IBD), which includes ulcerative colitis and Crohn's disease, are essential in managing symptoms and addressing complications. The selection of surgical procedures is contingent upon the specific conditions and complications that stem from these illnesses.
Here are some common surgical interventions for IBD:
Inflammatory Bowel Disease III: Diagnostic Studies and Management I-Nutritional Therapy01:30

Inflammatory Bowel Disease III: Diagnostic Studies and Management I-Nutritional Therapy

Various diagnostic tests are employed in the diagnostic process for Inflammatory Bowel Disease (IBD), particularly to differentiate between Crohn's disease and ulcerative colitis.
Diagnostic studies
A colonoscopy is the definitive screening test, distinguishing ulcerative colitis from other colon diseases with similar symptoms. During a colonoscopy test, inflamed mucosa with exudate ulcerations can be observed, and biopsies are taken to determine the histologic characteristics of the colonic...
Drugs for Treatment of Ulcerative Colitis in IBD01:29

Drugs for Treatment of Ulcerative Colitis in IBD

Ulcerative colitis is a chronic inflammatory condition primarily affecting the colon and rectum. The primary drugs used in the treatment of ulcerative colitis are aminosalicylates. They exhibit anti-inflammatory and immunosuppressive properties. They modulate inflammatory mediators and inhibit the activity of nuclear factor κB (NF-κB). Aminosalicylates also reduce inflammation by inhibiting prostaglandin and leukotriene production and decreasing neutrophil chemotaxis and superoxide generation. 

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Related Experiment Video

Updated: Jul 15, 2026

Fecal Microbiota Transplantation via Colonoscopy for Recurrent C. difficile Infection
07:06

Fecal Microbiota Transplantation via Colonoscopy for Recurrent C. difficile Infection

Published on: December 8, 2014

[Therapuetic colonoscopy].

Angélica Hernández Guerrero1, Sergio Sobrino Cossio

  • 1Jefe del Servicio de Endoscopia, Instituto Nacional de Cancerología, Mexico. aihernandez@intelimedic.com

Revista De Gastroenterologia De Mexico
|May 2, 2007
PubMed
Summary

Colonoscopy is a safe and effective endoscopic exam for diagnosing lower gastrointestinal bleeding and colon neoplasms. Advancements have expanded its therapeutic applications, including polyp removal and stent placement for colorectal conditions.

Area of Science:

  • Gastroenterology
  • Endoscopy
  • Colorectal Surgery

Background:

  • Colonoscopy, introduced in the 1970s, has evolved significantly in equipment and technique.
  • It is a standard diagnostic tool in endoscopy units, offering 91% sensitivity for macroscopic colon evaluation.
  • This method is safe with a low complication rate.

Purpose of the Study:

  • To review the diagnostic and therapeutic indications of colonoscopy.
  • To highlight the evolution and current applications of colonoscopy in managing colorectal pathology.

Main Methods:

  • Review of diagnostic indications including lower gastrointestinal bleeding (LGIB), polyps, colon neoplasms, and inflammatory bowel disease (IBD).
  • Overview of therapeutic indications such as polypectomy, tumor resection, hemostasis, stenosis dilation, and stent placement.

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Structured Approach to Colonoscopy Technique Optimization: A Single-Center Experience with Novice Endoscopists
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Structured Approach to Colonoscopy Technique Optimization: A Single-Center Experience with Novice Endoscopists

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A Genetically Engineered Mouse Model of Sporadic Colorectal Cancer
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A Genetically Engineered Mouse Model of Sporadic Colorectal Cancer

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Fecal Microbiota Transplantation via Colonoscopy for Recurrent C. difficile Infection
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Published on: December 8, 2014

Structured Approach to Colonoscopy Technique Optimization: A Single-Center Experience with Novice Endoscopists
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Structured Approach to Colonoscopy Technique Optimization: A Single-Center Experience with Novice Endoscopists

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A Genetically Engineered Mouse Model of Sporadic Colorectal Cancer
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  • Discussion of advancements in endoscopic equipment and techniques.

    • Main Results:

    • Colonoscopy is the most objective method for macroscopic colon assessment.
    • Therapeutic interventions have transformed the management of colorectal diseases.
    • Common procedures include polypectomy, tumor resection, bleeding control, dilation, and stent placement.

    Conclusions:

    • Colonoscopy remains a crucial tool for diagnosing and treating a wide range of colorectal conditions.
    • Technological and procedural advancements continue to enhance its efficacy and expand its therapeutic scope.
    • The article provides a comprehensive review of current colonoscopic practices.