Fig. 1From: The prevalence of morphological changes in the thoracolumbar spine on whole-spine computed tomographic imagesVolume rendering (VR) reconstruction images of the anterior aspect of the lumbar vertebrae. This case has lumbar ribs and lumbarisation. a If the lowest ribs are interpreted as 12th ribs (white arrows), the lumbar spinal configuration might be identified as normal. b By counting inferiorly from C1 or C2, the lowest ribs are identified as lumbar ribs and the lowest non-fused vertebra as S1Back to article page