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Bilsky’s Epidural Spinal Cord Compression (ESCC) grading system37.
| Grade | Description | |
|---|---|---|
| Low Grade | 0 | Bone only disease |
| 1 a | Epidural impingement, without deformation of thecal sac | |
| 1 b | Deformation of the thecal sac, without spinal cord abutment | |
| 1 c | Deformation of the thecal sac, with spinal cord abutment, without cord compression | |
| High Grade | 2 | Spinal cord compression, with cerebrospinal fluid (CSF) visible around the cord |
| 3 | Spinal cord compression, no CSF leak visible around the cord | |
