Arteriovenous Malformation

Arteriovenous malformation, or AVM, is a collection of abnormal vessels that lack an intervening capillary bed and are separated by gliotic brain tissue.  Some vessels have thick walls with elastic laminae typical of arteries, while others have thin collagenous walls typical of veins. In addition, "arterialization of a vein" can also be seen in which... Continue Reading →

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