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Bleeding from polypoid colonic arteriovenous malformations

F J Koziara1, G J Brodmerkel, J J Boylan

  • 1Division of Gastroenterology, Allegheny General Hospital, Allegheny Campus, Pittsburgh, Pennsylvania USA.

The American Journal of Gastroenterology
|March 1, 1996
PubMed
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This study describes two instances of bleeding polypoid colonic arteriovenous malformations, which are rare vascular abnormalities in the colon. Understanding their endoscopic appearance is crucial for diagnosis and management.

Area of Science:

  • Gastroenterology
  • Vascular Medicine
  • Endoscopy

Background:

  • Vascular ectasias in the colon are a known cause of gastrointestinal bleeding.
  • Arteriovenous malformations (AVMs) represent a subset of these vascular lesions.
  • The characteristic endoscopic features of typical vascular ectasias are well-documented.