T1 MR imaging features of intramedullary astrocytomas
| T1 Signal | Cases (%) |
|---|---|
| Hypointense | 11 (58) |
| Isointense | 7 (37) |
| Hyperintense | 1 (5) |
| Axial Location | |
| Central | 13 (68) |
| Eccentric | 6 (32) |
| Other Findings | |
| Edema | 7 (37) |
| Intratumoral cyst | 4 (21) |
| Peritumoral cyst | 3 (16) |