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International Journal of Morphology

On-line version ISSN 0717-9502


OLAVE, E et al. Multiple Renal Arteries. Int. J. Morphol. [online]. 2007, vol.25, n.4, pp.927-930. ISSN 0717-9502.

Due to increase of renal transplants and vascular reconstructions, the knowledge of variations of renal arteries is very important. The literature indicates that each kind have one artery, however sometimes there are origin and number variations. We describe in this article two cases with three arteries in the left side, found in the Anatomy Unit from Health Sciences Faculty, Universidad Católica del Maule, Talca, Chile. In one case, the origin of renal artery R1 (superior) from abdominal aorta, was to level of superior mesenteric artery origin. This R1 following a 30 mm trajectory divided in two minor branches of similar diameter and entered in the hilus passing in front of the renal vein. The origin of R2 (middle) was distal 4 mm to the R1, corresponding to a posterior branch that entered in the renal hilus and the R3 (inferior) originates distal 23 mm to the R2. This last artery entered in renal cortex, inferior to the renal sinus notch. In the second case, there were diferences with respect to the first case because R1 and R3 entered in the hilus, and, R2, with descendent course entered in renal cortex, similar to R3 of first case. The knowledge of these multiple arteries is necessary and should be kept in mind before and during surgery involving the renal region

Keywords : Anatomy; Kind; Renal arteries.

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