A three year old girl was brought by her parents with a gradually increasing swelling over the right ear since birth. There was intermittent bleeding from the swelling since one year.
MRI shows an arteriovenous malformation in the right pinna in the form of a T1/T2 hyperintense lesion and flow voids. The right external carotid artery angiogram shows a high flow, arteriovenous malformation supplied by hypertrophied tortuous feeders from the posterior auricular, occipital and auriculotemporal branches. It drains via the right retromandibular vein into the right IJV.