Abstract
A 49-year-old male had visited a nearby doctor with a complaint of massive bleeding from the left auricle. Angiography was performed, and arteriovenous malformation of the auricle was diagnosed. The main feeding arteries were the posterior auricular artery and the occipital artery, as demonstrated by angiography via the left external carotid artery; however, bleeding recurred because a collateral blood supply developed. Between 2001 and 2003, embolization was carried out 3 times, but the treatment was not effective. On July, 2003, he was referred to our clinic for treatment. A papula was detected at the left concha auricle, but pulsation was not palpated. On the other hand, an increase of blood supply was detected by Doppler echography. On August 20, 2003, ligation of several import arteries and extraction of the nidus were performed under general anesthesia. AVM was completely resected with little hemorrhage. The post-operative course was good and there has been no recurrence 8 months after surgery.
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