A large arteriovenous malformation of the external ear in an adult: Reportof a case and approach to management

Objectives/Hypothesis. Arteriovenous malformations involving the external e ar are relatively uncommon in adults. Arteriovenous malformations in the he ad and neck can poses difficult therapeutic challenges. Study Design: Case report. Methods. We report a case of a large arteriovenous malformation in the external ear in a 41-year-old man. Results. Extensive enlargement of th e previously latent and asymptomatic arteriovenous malformation was trigger ed by blunt trauma to the ear. Conclusion: We discuss the definition, clini cal findings, diagnostic approaches, and therapeutic management of arteriov enous malformations.