Fig. 11From: Vascular lesions of the head and neck: an update on classification and imaging reviewArteriovenous vascular malformation. A 50-year-old male with right neck fullness. a Contrast-enhanced axial CT shows a tangle of serpiginous vessels in the right deep neck (arrow). b Conventional angiogram with injection of an external carotid artery dominant feeder shows brisk enhancement of the nidus. c Delayed angiographic image shows multiple draining venous vesselsBack to article page