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International Journal of Morphology

versión On-line ISSN 0717-9502

Resumen

OLAVE, E et al. Origin Levels of the Renal and Superior Mesenteric Arteries in Relation to the Vertebral Column in Chilean Individuals: Helicoidal Computed Tomography Study. Int. J. Morphol. [online]. 2009, vol.27, n.2, pp.447-452. ISSN 0717-9502.  http://dx.doi.org/10.4067/S0717-95022009000200022.

The knowledge of the arterial variations is very important for the diagnosis and the surgical procedures. The purpose of this study was determine the number and the originlevels of the renal and superior mesenteric arteries in relation to the vertebral bodies. For this, we used the angiographies of 31 patients, Chileans, adult, of both sexes. The angiographies were obtained by Helicoidal Computed Tomography, in these we localized the origin points of the mentioned arteries. We divided the vertebral bodies in three parts, superior, middle and inferior, considering too the intervertebral disc. In 26 patients, in both sides the renal artery was only; in the right side it was double in 2 patients and in the left side in 3. The right renal artery originated from the level of L1 vertebra in 11 cases; from the level of L1-L2 intervertebral disc in 7; from the level of the L2 vertebra in 10 and from the level of the L2-L3 intervertebral disc in 2. The left renal artery originated from the level of the Ll vertebra in 9 cases; from the level of the L1-L2 intervertebral disc in 6; from the level of the L2 vertebra in 12 and from the level of the L2-L3 intervertebral disc in 2. The superior mesenteric artery was only in all cases; it origin level was always cranial to the renal arteries origin. The origin level of the superior mesenteric artery was observed in relation to the Ll vertebra in 16 cases and to the level of the L2 vertebra in 8. We considered specifical origin levels associated to the vertebral body division. The results of this study will complete the knowledge of these arteries and are a contribution to the surgical anatomy of abdominal region.

Palabras clave : Anatomy; Abdominal aorta; Renal arteries; Superior mesenteric artery.

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