Items tagged “avm”

Renal arteriovenous malformations (renal AVMs) are an uncommon vascular anomaly, which may be confused with a renal arteriovenous fistula (renal AVF). Pathology Like arteriovenous malformations elsewhere in the body, a renal AVM is formed by a connection between the arterial and venous structu...

Pial arteriovenous fistulae (pAVF) are rare vascular malformations that usually consist of a single dilated pial artery connecting directly to an enlarged cortical draining vein. Terminology pAVFs are distinct from pial arteriovenous malformations because they do not have a nidus and distinct ...