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==Overview==
==Overview==
The exact [[etiology]] of angiodysplasia is unknown. However, many [[conditions]] have been associated with angiodysplasia.


==Causes==
==Causes==


Angiodysplasia of the colon is mostly related to the aging and degeneration of the blood vessels. It usually occurs in older adults. It is almost always seen on the right side of the colon.
The exact cause of angiodysplasia is unknown. However, there are various conditions associated with angiodysplasia. For more information on associated conditions, [[Angiodysplasia pathophysiology|click here]].
 
There are several theories about the cause. The most likely cause is that normal spasms of the colon lead to enlargement of blood vessels in the area. This swelling becomes so severe that a small direct passageway develops between a very small artery and vein. This is called an arteriovenous fistula. It is in this area of the colon wall that the patient is at risk for bleeding.
 
Angiodysplasia of the colon is very rarely related to other diseases of the blood vessels, including Osler-Weber-Rendu syndrome. It is not related to cancer, and is different than diverticulosis, a more common cause of intestinal bleeding in older adults.


==References==
==References==


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Latest revision as of 21:17, 3 December 2021

Angiodysplasia Microchapters

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Nikita Singh, M.B.B.S.[2]

Overview

The exact etiology of angiodysplasia is unknown. However, many conditions have been associated with angiodysplasia.

Causes

The exact cause of angiodysplasia is unknown. However, there are various conditions associated with angiodysplasia. For more information on associated conditions, click here.

References