Patient Distribution
| Patient class | Total number | Without treatment |
| Included patients | 41 (42 lesions) | 29 (30 lesions) |
| Men | 25 | 19 |
| Women | 16 | 10 |
| Astrocytoma, WHO II | 7 | 4 |
| Oligoastrocytoma, WHO II | 1 | 1 |
| Oligodendroglioma, WHO II | 2 | 2 |
| Anaplastic astrocytoma, WHO III | 12 | 11 |
| Anaplastic oligoastrocytoma, WHO III | 4 | 2 |
| Anaplastic oligodendroglioma, WHO III | 1 | 1 |
| Glioblastoma, WHO IV | 13 | 7 |
| Without biopsy | ||
| Suspicion of low-grade glioma | 1 | 1 |
| Suspicion of high-grade glioma | 1 | 1 |