Table 1 Frequency distribution of histological subtypes of brain tumors
| Histological subtype | WHO grade | No. | Percentage |
|---|---|---|---|
| Astrocytoma | I | 1 | 82.9% |
| II | 16 | ||
| III | 20 | ||
| IV | 70 | ||
| Oligodendroglioma | II | 9 | 8.5% |
| III | 2 | ||
| PNET | IV | 7 | 5.4% |
| DNET | I | 2 | 1.6% |
| Hemangioblastoma | I | 1 | 0.8% |
| Neurocytoma | II | 1 | 0.8% |