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Related Concept Videos

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 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
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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:
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.
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Endoscopic Studies I: Bronchoscopy and Thoracoscopy01:30

Endoscopic Studies I: Bronchoscopy and Thoracoscopy

Endoscopy is a non-surgical medical technique used to examine a person's internal organs and vessels. This lesson will focus on two types of endoscopic studies: bronchoscopy and thoracoscopy.
Bronchoscopy
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Related Experiment Video

Updated: Jul 14, 2026

Murine Endoscopy for In Vivo Multimodal Imaging of Carcinogenesis and Assessment of Intestinal Wound Healing and Inflammation
09:42

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

Published on: August 26, 2014

[Wireless capsule endoscopy: basic principles and clinical utility].

Begoña González-Suárez1, Sara Galter, Joaquín Balanzó

  • 1Servicio de Patología Digestiva, Hospital de la Santa Creu i Sant Pau, Barcelona, España. bgonzalezsuarez@imas.imim.es

Cirugia Espanola
|June 8, 2007
PubMed
Summary

Wireless capsule endoscopy, a swallowable video capsule, offers a new way to examine the small bowel. It is a first-line tool for diagnosing obscure gastrointestinal bleeding, anemia, and inflammatory bowel disease.

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Last Updated: Jul 14, 2026

Murine Endoscopy for In Vivo Multimodal Imaging of Carcinogenesis and Assessment of Intestinal Wound Healing and Inflammation
09:42

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Published on: August 26, 2014

Using the Endoscope for Endobronchial Ultrasound in the Esophagus
04:35

Using the Endoscope for Endobronchial Ultrasound in the Esophagus

Published on: November 21, 2023

Area of Science:

  • Gastroenterology
  • Medical Imaging

Background:

  • Wireless capsule endoscopy (PillCam) is a significant advancement in small bowel disease diagnosis.
  • Approved by the FDA in 2000, it's now a primary diagnostic tool.
  • The capsule captures images as it moves through the GI tract via peristalsis.

Purpose of the Study:

  • To highlight the capabilities and applications of wireless capsule endoscopy.
  • To outline the primary indications and contraindications for the procedure.

Main Methods:

  • A swallowable, non-reusable capsule (26 x 11 mm) records video images.
  • The capsule navigates the gastrointestinal tract naturally through peristalsis.

Main Results:

  • Enables visualization of previously inaccessible small bowel areas.
  • Facilitates diagnosis of obscure gastrointestinal bleeding, chronic anemia, and inflammatory bowel disease.

Conclusions:

  • Capsule endoscopy is a crucial first-line diagnostic method for small bowel conditions.
  • Swallowing disorders and suspected small bowel strictures are key contraindications.
  • Small bowel follow-through may be necessary before capsule endoscopy if strictures are suspected.