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Axial (A), coronal (B), and sagittal (C) computed tomography myelogram showing type 2 clumping of the nerve rootlets of the cauda equina centrally within the thecal sac at the L3/4 and L4/5 spinal levels (arrows). There is a total laminectomy at L3 and L4 with a posterior pedicle screw and rod fixation of L3-L5, and an anterior screw and plate fixation of L3/4. There is persistence of the post-traumatic L4/5 spondylolisthesis following posterior surgical fixation.
