Imaging characteristics
| Imaging Findings | No. (%) |
|---|---|
| High T2 cord signal (including conus) | 46 (95.8) |
| Increased conus signal | 44 (91.7) |
| Prominent intradural vessel on CT myelography or MRI | 51 (96.2) |
| Cord enhancement | 38 (79.2) |
| High T2 signal and flow void | 44 (91.7) |