Clinical experience of two cases with arteriovenous fistula of mandible.

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Clinical experience of two cases with arteriovenous fistula of mandible<BR>Arteriovenous fistula is a vascular lesion showing communication between artery and venos without passing through capillary vessels. It often presents serious problems to the patients and clinicians because of high risk of severe hemorrhage occurring either spontaneously or as d result of unsuitable surgical procedures. This paper described the treatment of two patients who suffered from arteriovenous shunt of mandible.<BR>Case 1: A 25 year old man complaining of swelling left, cheek visited our hospital on January 12, 1971. He had been under the care of several surgeons in the past, the previous treatment had induced surgical excision of buccal tissue and ligature of left facial artery. The lesion had spread from the left cheek to the left submandiblar region. It was diagnosed by carotid angiography as arteriovenous malformation. By the first treatment at our clinic in 1971, surgical excision was performed to check region but before long, recurrence was observed at that region. As the succeeding treatments, therefore, cryosurgery and continuous infusion of 5 FU was performed. Scarcely getting good results by those treatments, we did a radical operation including hemimandiblectomy. Consequently no recurrence has been observed till now.<BR>Case 2: 55 year old female, complaining of intraoral bleeding, visited our clinic on April 23, 1981. A few weeks before visiting our clinic, she had a sudden attack of intraoral bleeding at night. The next day she visited the clinic and was diagnosed as ameloblastoma of mandible. Examination showed the lack of mucous membrane about 5 mm in size on the left lower alveolar ridge. Pulsation was palpable and a bruit was audible in the region of the left mandibular angle. The lesion was diagnosed as A-V fistula being concerned in artery of mandible, facial artery and vertibral artery by carotid angiography. Radical operation was performed, and over 6 years no signs of recurrence have been found till now.

Clinical experience of two cases with arteriovenous fistula of mandible.

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