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Related Concept Videos

Endoscopic Procedures I: Esophagogastroduodenoscopy01:29

Endoscopic Procedures I: Esophagogastroduodenoscopy

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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.
During an EGD, the endoscope can be used to:
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Endoscopic Procedures V: ERCP01:26

Endoscopic Procedures V: ERCP

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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.
Patient...
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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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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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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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Advanced equine duodenoscopy technique.

R Agrícola1, G Ribeiro2, J Borges3

  • 1I-MVET Research in Veterinary Medicine, Lusófona University, Av. do Campo Grande, 376 1749-024 Lisbon, Portugal; CIISA - Centre for Interdisciplinary Research in Animal Health, Faculty of Veterinary Medicine, University of Lisbon, Av. Universidade Técnica, 1300-477 Lisbon, Portugal.

Journal of Equine Veterinary Science
|August 1, 2025
PubMed
Summary
This summary is machine-generated.

A new duodenoscopy technique improves visualization of the equine duodenum, enhancing diagnosis of gastroduodenal diseases. This method allows complete examination of previously inaccessible areas, aiding equine veterinary medicine.

Keywords:
Brunner’s gland hyperplasiaEndoscopyGastroenterologyPolypectomyPylorus

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Area of Science:

  • Veterinary Medicine
  • Equine Internal Medicine
  • Diagnostic Imaging

Background:

  • Duodenal pathologies in horses are frequently underdiagnosed due to limitations in current diagnostic techniques.
  • Existing methods often fail to provide complete visualization of critical duodenal regions.

Purpose of the Study:

  • To describe a novel duodenoscopic approach for complete visualization of the equine duodenum.
  • To enhance the diagnostic capabilities for gastroduodenal diseases in horses.

Main Methods:

  • Gastroduodenoscopy was performed on 60 adult horses with suspected gastroduodenal diseases.
  • A novel retroflexion maneuver was introduced after reaching the cranial duodenum.
  • The technique allowed examination of the duodenal face of the pyloric sphincter and cranial duodenum.

Main Results:

  • The novel technique enabled complete visualization of the cranial duodenum, including areas previously inaccessible.
  • The retroflexion maneuver provided a wide field of view without blind spots.
  • The procedure was performed without causing lesions to the adjacent mucosa.

Conclusions:

  • This improved duodenoscopic technique offers a more comprehensive examination of the equine duodenum.
  • It addresses the limitations of standard diagnostic methods, potentially improving the diagnosis of equine duodenal pathologies.