Intrarenal Arteriovenous Malformation

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Abstract
Surgical experience with 7 cases of intrarenal vascular malformation is reported. Based on angiographic criteria, the so-called congenital arteriovenous fistula of the kidney may be classified as the cirsoid type, which represents a truly congenital form of arteriovenous malformation, or as the aneurysmal type, which is considered to be idiopathic or spontaneous. These 2 types of arteriovenous malformations are compared with regard to clinical presentation. The choice of surgical treatment for each type is discussed.