부가기능
Anatomy - The Vascular Anatomy Anterior to the L5-S1 Disk Space - A transabdominal approach to the anterior L5-S1 disc space was used in 37 cadavers to obtain direct and calculated measurements of the local vasculature as it relates to the anterior L5-S1 disc space. The middle sacral artery was present in 100% the specimens, although it was quite variable in it's relation to the anatomic midline. The average distance between the left and right common iliac arteries was 33.5 mm at the superior level of the disc. The left common iliac vein averaged only 12 mm from the midline. The surgeon must anticipate the need to mobilize the local vasculature to expose the anterior L5-S1 disc space adequately in the most cases./
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