Transitional L5 vertebral body in a 52-year-old man.

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Presentation transcript:

Transitional L5 vertebral body in a 52-year-old man. Transitional L5 vertebral body in a 52-year-old man. Sagittal CT image demonstrates “wedging” of a sacralized L5 transitional vertebral body (white arrow). A, Note the decreased height between the sacralized L5 vertebral body and S1 (black arrow) compared with the normal height typically seen at this level. B, Coronal CT image shows bilateral osseous fusion of the transverse processes of L5 with the sacrum (Castellvi type IIIb). G.P. Konin, and D.M. Walz AJNR Am J Neuroradiol 2010;31:1778-1786 ©2010 by American Society of Neuroradiology