Vascularization of left kidney by single vessel originating from splenic artery.

According to the literature, sole renal arteries always originate from the aorta. In multiple renal arteries, the origin of an accessory renal artery may be expected from the splenic artery on theoretical basis. This origin, however, never is described. A patient is presented with a sole left renal artery, originating from the splenic artery. The diagnosis is made by angiography and confirmed by computed tomography and surgery.