Congenital pelvic arteriovenous fistulas: report of a case and review of the literature.

The fifth male patient with a congenital arteriovenous fistula of the pelvis is described. This disorder has been reported previously in 11 female patients. Most patients gave a long history of symptoms before a diagnosis was made. Preoperative angiography is vital to delineate the vascular supply to the fistula and operative treatment consists of ligation of the feeding vessels and resection of the fistula.