| Patients Characteristics | Mean ± SD, N (%) | |
| Age | 38.96 ± 15.42 | |
| Gender | Male | 15 (50%) |
| Female | 15 (50%) | |
| Ependymoma | 8 (27%) | |
| Astrocytoma | 6 (20%) | |
| Meningioma | 5 (17%) | |
| Nerve sheath tumor | 5 (17%) | |
| Hemangioblastomas | 3 (10%) | |
| Epidermoid | 1 (3%) | |
| Epidermoid of filum terminale | 2 (6%) | |