PMC6029492_01
CT of the spine demonstrating complete dislocation of T11 and T12 vertebral bodies. The T12 vertebral body appears to be rotated counterclockwise on axial image and displaced posteriorly into the bony spinal canal, resulting in severe spinal canal stenosis.
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Spinal CT demonstrated complete retrospondylolisthesis of T12 vertebra (Figure 1).
MRI of the spine with separation/avulsion of the T12 vertebral body from the T12 posterior elements. The T12 vertebral body appears to be rotated counterclockwise on axial image and displaced posteriorly into the bony spinal canal resulting in marked compression of the spinal cord along with signal abnormality in the spinal cord just inferior and superior to the compressed T12 segment.
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MRI was also performed and showed marked compression of the spinal cord resulting in inability to visualize the cord at the level to T12 with surrounding cord edema (Figure 2).