Stephen J. Schueler, M.D.

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Intestinal AVM Overview

Another name for Intestinal AVM is Angiodysplasia.

What is angiodysplasia?
A person with angiodysplasia has enlarged and fragile blood vessels beneath the lining of the large intestine. These fragile vessels tend to bleed easily, but serious. life-threatening bleeding is rare. Angiodysplasia is a common cause of rectal bleeding and bloody stool in the elderly.

What are the symptoms of angiodysplasia?
Common symptoms of angiodysplasia include rectal bleeding, bloody stools, and black stools.

How does the doctor treat angiodysplasia?
Treatment for angiodysplasia may include laser cautery that is performed during colonoscopy. Other options include injecting a medication that forms a blood clot in the bleeding vessel.

Continue to Intestinal AVM Incidence

Last Updated: Mar 9, 2011 References
Authors: Stephen J. Schueler, MD; John H. Beckett, MD; D. Scott Gettings, MD
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PubMed Intestinal AVM References
  1. Gordon FH, Watkinson A, Hodgson H. Vascular malformations of the gastrointestinal tract. Best Pract Res Clin Gastroenterol. 2001 Feb;15(1):41-58. [11355900]
  2. Hodgson H. Hormonal therapy for gastrointestinal angiodysplasia. Lancet. 2002 May 11;359(9318):1630-1. [12020519]
  3. Lingenfelser T, Ell C. Gastrointestinal bleeding in the elderly. Best Pract Res Clin Gastroenterol. 2001 Dec;15(6):963-82. [11866487]
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