From the case:
Epidural spinal cord compression scale (illustration)
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- grade 0: bone-only disease
-
grade 1: epidural extension without cord compression
- a: epidural extension only (no deformation of the thecal sac)
- b: deformation of thecal sac, without spinal cord abutment
- c: deformation of the thecal sac, with spinal cord abutment
- grade 2: spinal cord compression, with cerebrospinal fluid (CSF) visible around the cord
- grade 3: spinal cord compression, no CSF visible around the cord
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