MR imaging features of the lesions: summary
| Characteristics | Number of Patients |
|---|---|
| Number of lesions | |
| 1 | 4 |
| 2 | 2 |
| >2 | 4 |
| Localization | |
| Supratentorial/supra- and infratentorial | 8/1 |
| Spinal | 1 |
| Deep/superficial/both | 2/3/4 |
| Necrosis | 1 |
| T2-weighted signal* | |
| Hyperintense/isointense | 10/1 |
| Contrast enhancement* | |
| Strong/moderate/none | 5/5/1 |
| Homogeneous/heterogeneous | 5/5 |
| Edema* | |
| Marked/moderate/absent | 4/6/1 |
| Ventricular ependymal involvement | 5 |
* Some patients had multiple sites and appearances of involvement.