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Related Concept Videos

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.
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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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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 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.
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Related Experiment Video

Updated: Mar 11, 2026

Intraoperative Gastroscopy for Tumor Localization in Laparoscopic Surgery for Gastric Adenocarcinoma
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Intraoperative Enteroscopy: Is There Still a Role?

Thibault Voron1, Gabriel Rahmi2, Stephane Bonnet3

  • 1Department of General and Digestive Surgery, Georges Pompidou European AP-HP University Hospital, 20-40 rue Leblanc, 75908 Paris Cedex 15, France; Paris Descartes Faculty of Medicine, 15, rue de l'Ecole de Médecine, Paris 75006, France.

Gastrointestinal Endoscopy Clinics of North America
|December 3, 2016
PubMed
Summary

Intraoperative enteroscopy (IOE) is rarely used for obscure gastrointestinal bleeding due to high risks. It remains indicated for specific preoperatively identified small bowel lesions when other treatments fail.

Keywords:
Digestive surgeryIntraoperative enteroscopyLaparotomyObscure gastrointestinal bleedingSmall bowel

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Area of Science:

  • Gastroenterology
  • Surgical Endoscopy

Background:

  • Obscure gastrointestinal bleeding (OGIB) presents diagnostic challenges.
  • Intraoperative enteroscopy (IOE) has been used to investigate OGIB.
  • The utility and risks of IOE require careful consideration.

Purpose of the Study:

  • To evaluate the current indications and outcomes of intraoperative enteroscopy for obscure gastrointestinal bleeding.

Main Methods:

  • Review of literature on intraoperative enteroscopy for OGIB.
  • Analysis of diagnostic yield, therapeutic success, and complication rates.

Main Results:

  • IOE enables complete small bowel exploration (57-100%) and identifies bleeding sources (80%).
  • Recurrence-free management is achieved in 76% of cases.
  • However, IOE is associated with significant morbidity and mortality.

Conclusions:

  • IOE is rarely indicated for obscure gastrointestinal bleeding.
  • Its use is limited to specific scenarios, such as guiding intraoperative treatment for preoperatively identified small bowel lesions when nonoperative options are unavailable or localization is difficult.