Abstract
During routine dissection of a male cadaver, in the Department of Anatomy, Pinnamaneni Siddhartha Institute of Medical science, presence of bilateral superior accessory renal arteries was noted. They took origin from the antero lateral aspect of abdominal aorta, below the origin of superior mesenteric artery and above the origin of main renal arteries. The main right and left renal arteries took their origin from the lateral aspect of abdominal aorta, at the level of the origin of inferior mesenteric artery. Proper knowledge of variations of the arteries supplying the kidney is essential not only to the anatomists but also to the vascular surgeons, urologists, nephrologists and radiologists. Such vascular variations as noted in the present study have been explained in light of embryogenic development.
Highlights
Knowledge of the anatomy of the renal blood supply is important to every urologic surgeon, and this subject lends itself to easy investigation
The left artery passes behind the left renal vein, the body of pancreas and splenic vein and may be crossed in front by the inferior mesenteric vein nearing the renal hilum
The left superior accessory renal artery arose from the abdominal aorta 4mm below the origin of superior mesenteric artery
Summary
Knowledge of the anatomy of the renal blood supply is important to every urologic surgeon, and this subject lends itself to easy investigation. Each kidney is normally supplied by a renal artery which is a branch of abdominal aorta. Both right and left renal arteries branch laterally from the aorta just below the inferior mesenteric artery, and cross the corresponding crus of the diaphragm at right angles to the aorta.
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