[The left renal retro-aortic vein: report of three cases]. / La veine rénale gauche rétro-aortique: à propos de trois cas.

This study investigated the congenital retro-aortic left renal vein in three subjects, observed in dissection practice. Comparative morphometric analysis is made about vein and artery and their collaterals. The importance and the contribution of this left retro-aortic renal vein are discussed with reference to his embryologic and clinical aspect implication.