Three types of surgery can remove or reduce an arteriovenous malformation, a tangle of blood vessels that impede blood flow. An arteriovenous malformation (AVM) is a rare, noncancerous entanglement of ...
Arteriovenous malformations (AVMs) are tangles of blood vessels that cause the atypical flow of blood between your veins and arteries. If they rupture, they may be life threatening. AVMs usually ...