[Non-acquired renal arteriovenous fistulas. Apropos of 2 cases].

: Herein we describe two additional cases of non-acquired arteriovenous renal fistula, one was congenital or cirsoid and the other was idiopathic or aneurysmal. Patient clinical work up prompted us to suspect this condition which was confirmed by renal arteriography. The usefulness of the diagnostic tests are highlighted and the incidence and management of this type of vascular malformation are discussed.