1. Castellvi type IIa and IIb LSTVs
Castellvi type IIa and IIb LSTVs. A, AP radiograph demonstrates an LSTV with a unilateral anomalous articulation of the right L5 transverse process with the sacrum (white arrow) in a 42-year-old man.
Castellvi type IIa and IIb LSTVs. A, AP radiograph demonstrates an LSTV with a unilateral anomalous articulation of the right L5 transverse process with the sacrum (white arrow) in a 42-year-old man. B, T2-weighted coronal MR image demonstrates a unilateral anomalous articulation with the sacrum (white arrow) on the left in a 64-year-old man. C, Coronal reconstructed CT image demonstrates bilateral anomalous articulations of broadened transverse processes with the sacrum and the iliac bone on the left (white arrow) in a 52-year-old woman.
G.P. Konin, and D.M. Walz AJNR Am J Neuroradiol 2010;31:
©2010 by American Society of Neuroradiology