title: Arteriovenous malformation and Color Doppler: posterior auricular artery.
abstract: Arterio-venous malformations (AVM) are rare in head and neck region and are generally arise from intracranial vessels. We present a case of spontaneous AV malformation in the post auricular region with posterior auricular artery as the feeding vessel that was diagnosed by Color Doppler sonography.
authors.affiliation: Department of ENT & Head neck surgery, Himalayan Institute of Medical Sciences, Jollygrant, Dehradun, Uttranchal, India.
authors.lastname: Rajesh
authors.forename: S S
authors.initials: SS
authors.lastname: Bist
authors.forename: R K
authors.initials: RK
authors.lastname: Saxena
keywords: Arterio-venous malformations; Color Doppler; Post auricular region; Posterior auricular artery