MRI characteristicsa
| All Patients (n = 33) | Histone H3 K27 Mutant (n = 24) | Histone H3 Wildtype (n = 9) | |
|---|---|---|---|
| Multifocality | 5 | 5 | 0 |
| Contrast enhancement | 22 | 16 | 6 |
| Cystic component or necrosis | 18 | 15 | 3 |
| Edema | 4 | 4 | 0 |
| Infiltrative pattern | 27 | 18 | 9 |
| Mass effect | 32 | 24 | 8 |
| Irregular border | 27 | 18 | 9 |
| CSF-based metastases | 7 | 6 | 1 |
| Direct cortical invasion | 12 | 9 | 3 |
↵a Data are number.