label: facial arteriovenous malformation
label_lc: facial arteriovenous malformation
description: Facial arteriovenous malformation is a rare vascular anomaly characterized by abnormal communication between arteries and veins, bypassing the capillary bed, located in the facial area. Lesions may be asymptomatic or may manifest with pain, ulceration, pulsation, tinnitus, minor bleeding or potentially life-threatening hemorrhage, blurred vision, impaired hearing, headache, paresthesia, enlargement of facial bones with intraosseous lesions, intraosseous hemangiomas, and speech, breathing and swallowing difficulties, as well as neuropathy.