Fig. 1
a–f. CT D12-L4 (a, b), MPR sagittal (c, d) and coronal (e, f). Bone alteration surrounding left L1 transpedicular screw with rarefaction and peripheral sclerosis (a, b, e, f, short arrow); front end screw reaches L1 superior surface (c, long arrow). L2 fracture with superior surface depression (e)
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