Table 2 Bilsky’s epidural spinal cord compression grading system
From: Neurosurgical emergencies in spinal tumors: pathophysiology and clinical management
Grade | Description | |
|---|---|---|
Low grade | 0 | Bone involvement only |
1a | Epidural impingement, without deformation of thecal sac | |
1b | Epidural impingement, deformation of thecal sac but no spinal cord abutment | |
1c | Epidural impingement, deformation of thecal sac, spinal cord abutment, no SCC | |
High grade | 2 | SCC, CSF visible around spinal cord |
3 | SCC, CSF not visible around spinal cord | |