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Related Concept Videos

Endoscopic Procedures III: Video Capsule Endoscopy01:28

Endoscopic Procedures III: Video Capsule Endoscopy

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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,...
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Assessment of the Rectum and Anus01:25

Assessment of the Rectum and Anus

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Evaluating the rectum and anus plays a crucial role in conducting a thorough physical examination of the gastrointestinal system. Although it may be uncomfortable and often embarrassing for the patient, it holds immense diagnostic value, particularly in detecting gastrointestinal diseases and abnormalities. This guide will explain how to perform this assessment using inspection and palpation methods.
Rectal Inspection
Begin by inspecting the perianal and anal areas for color, texture, rashes,...
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Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy01:26

Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy

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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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Endoscopic Procedures II: Colonoscopy01:25

Endoscopic Procedures II: Colonoscopy

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

Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy

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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...
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Lower GI Series: Barium Enema01:23

Lower GI Series: Barium Enema

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A Barium Enema, or a lower GI series, is a specialized radiographic examination designed to visualize the lower gastrointestinal tract, specifically the colon and rectum. This procedure is instrumental in diagnosing various conditions such as colorectal cancer, polyps, diverticulosis, and inflammatory bowel disease.
Procedure Details
The examination begins by inserting a lubricated rectal tube into the patient's rectum to administer a radiopaque barium solution. The barium flow is carefully...
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Related Experiment Video

Updated: May 1, 2026

Flexible Colonoscopy in Mice to Evaluate the Severity of Colitis and Colorectal Tumors Using a Validated Endoscopic Scoring System
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Flexible Colonoscopy in Mice to Evaluate the Severity of Colitis and Colorectal Tumors Using a Validated Endoscopic Scoring System

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Non-small-bowel abnormalities identified during small bowel capsule endoscopy.

Reinier A Hoedemaker1, Jessie Westerhof1, Rinse K Weersma1

  • 1Reinier A Hoedemaker, Jessie Westerhof, Rinse K Weersma, Jan J Koornstra, Department of Gastroenterology and Hepatology, University Medical Centre Groningen, University of Groningen, 9700 RB Groningen, The Netherlands.

World Journal of Gastroenterology
|April 19, 2014
PubMed
Summary

Many patients undergoing capsule endoscopy for obscure bleeding have abnormalities visible with standard endoscopes. This suggests capsule endoscopy may be unnecessary in some cases, highlighting potential cost savings and improved diagnostic efficiency.

Keywords:
Capsule endoscopyColonFindingsSmall bowelStomach

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Murine Endoscopy for In Vivo Multimodal Imaging of Carcinogenesis and Assessment of Intestinal Wound Healing and Inflammation
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Area of Science:

  • Gastroenterology
  • Diagnostic Endoscopy
  • Medical Imaging

Background:

  • Obscure gastrointestinal bleeding (OGIB) often requires advanced diagnostic techniques.
  • Small bowel capsule endoscopy (SBCE) is a key tool for investigating OGIB.
  • Conventional endoscopy may miss lesions outside the small bowel.

Purpose of the Study:

  • To determine the frequency of non-small bowel abnormalities detected by SBCE.
  • To assess the clinical utility of SBCE when lesions are within reach of conventional endoscopes.
  • To evaluate if SBCE is unnecessarily performed in certain patient cohorts.

Main Methods:

  • Retrospective analysis of 595 patients undergoing SBCE (2003-2009).
  • Inclusion criteria: referral for OGIB or suspected Crohn's disease.
  • Definition of non-small bowel abnormalities: lesions visible by SBCE within reach of conventional gastroscopy and colonoscopy.

Main Results:

  • Abnormalities found in 51.4% of patients (306/595).
  • Non-small bowel abnormalities detected in 27.7% of those with findings (85/306).
  • Commonly missed lesions included vascular abnormalities (47) and ileal lesions (21).

Conclusions:

  • A significant proportion of SBCE procedures revealed abnormalities within the scope of conventional endoscopy.
  • This suggests SBCE may be overutilized in patients with potential findings in the stomach or colon.
  • Re-evaluation of diagnostic pathways could optimize resource allocation and patient management.