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Anatomical and computed tomographic studies of the pancreatic tail.

The location of the pancreatic tail in the lienorenal ligament and its relationship to the splenic hilus were studied in 32 computed tomography (CT) scannings and in 37 autopsy specimens. We found several anatomical variations in both study groups: the pancreatic tail did not penetrate the lienorenal ligament in 24% of the autopsy specimens and in 37.5% of the CT group. The tail was adjacent to the splenic hilus in 29.7% of the autopsies and in 25% of the CT group. We classified the anatomical variations into 4 categories, three of which could be well demonstrated on CT with satisfactory correlation to the anatomical findings of the autopsy specimens.