5mm arteriovenous malformation AVM on non contrast CT showing nodule associated with 2 vessels – one an artery and the second a vein Ashley Davidoff MD TheCommonVein.net 5mm arteriovenous malformation AVM on contrast enhanced CT – sagittal Ashley Davidoff MD TheCommonVein.net 5mm arteriovenous malformation (AVM) on angiogram showing an early draining vein Ashley Davidoff MD TheCommonVein.net