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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 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:
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:
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.
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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.
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Endoscopic Procedures III: Video Capsule Endoscopy01:28

Endoscopic Procedures III: Video Capsule Endoscopy

Capsule endoscopy, or wireless or video capsule endoscopy, is a diagnostic procedure for examining the entire gastrointestinal tract. Patients swallow a capsule about the size of a vitamin tablet. The capsule is equipped with a transmitter, a battery, an LED light source, and a color video camera to capture images throughout the gastrointestinal tract. This procedure is particularly useful for diagnosing conditions such as Crohn's disease, ulcerative colitis, tumors, polyps, ulcers, unexplained...
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: Jun 22, 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

Small bowel enteroscopy: territory conquered, future horizons.

Carol E Semrad1

  • 1University of Chicago, Chicago, IL 60637, USA. csemrad@medicine.bsd.uchicago.edu

Current Opinion in Gastroenterology
|June 17, 2009
PubMed
Summary

Recent advances in small bowel enteroscopy, including video capsule and double balloon endoscopy, improve lesion identification. However, challenges remain in diagnosis and treatment, necessitating further research for optimal application.

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Area of Science:

  • Gastroenterology
  • Endoscopy
  • Small Bowel Diseases

Background:

  • The small bowel presents diagnostic and therapeutic challenges due to limited endoscopic access.
  • Advancements in enteroscopy aim to overcome these limitations.

Purpose of the Study:

  • To review recent progress in small bowel enteroscopy.
  • Focus on indications, imaging enhancements, techniques, challenges, and clinical uses.

Main Methods:

  • Review of current literature on small bowel enteroscopy technologies.
  • Analysis of indications, technical modifications, and clinical outcomes.

Main Results:

  • Novel technologies like video capsule endoscopy (VCE) and double balloon enteroscopy (DBE) have enhanced lesion detection.
  • Newer devices such as single balloon enteroscopy (SBE) and spiral endoscopy are emerging.
  • Improved identification of small bowel lesions, but challenges like angulation and peristalsis persist.

Conclusions:

  • Complete enteroscopy of the small bowel is now feasible.
  • Effective endoscopic examination and therapy require significant skill and patience.
  • Prospective randomized studies are essential to guide the use of new enteroscopy techniques.