C5 fracture with epidural hematoma, underlying ankylosing spondylitis

Findings:

Multiple CT images demonstrate a fracture through the posterior elements at the C-5 level. Hyperdensity is present in the dorsal epidural space causing cord compression. MR images demonstrate heterogeneous T2 hypointensity in the dorsal epidural space with cord compression most evident at the C5 level. A T2 hyperintense/ T1 hypointense band extending through the C4-5 disc space represents anterior extent of the fracture plane which is poorly visualized on CT. There is also extensive osseous fusion of cervical disc spaces and facet joints due to ankylosing spondylitis.

Discussion/Differential Diagnosis:

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