Ruptured abdominal aortic aneurysm with horseshoe kidney.

A case of ruptured abdominal aortic aneurysm associated with horseshoe kidney is presented. Two aspects of the operation are discussed: the vascular supply to the kidney and isthmus and the division of the isthmus. It is important in handling these cases either on an emergency basis or electively to be aware of the various vascular anomalies.