1. Castellvi type IIIa and IIIb LSTVs
Castellvi type IIIa and IIIb LSTVs. A, Axial CT image demonstrates osseous fusion of the left L5 transverse process with the sacrum in a 36-year-old woman.
Castellvi type IIIa and IIIb LSTVs. A, Axial CT image demonstrates osseous fusion of the left L5 transverse process with the sacrum in a 36-year-old woman. B, Coronal reconstructed CT image demonstrates bilateral osseous fusion of L5 to the sacrum in a 31-year-old man. C, Volume-rendered CT image shows a Castellvi type IIIb LSTV with complete osseous fusion of the transverse processes to the sacrum in the same patient as seen in B.
G.P. Konin, and D.M. Walz AJNR Am J Neuroradiol 2010;31:
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