Table 2.
The different types of brain tumors and their frequencies, as reported in the patient cohort.
| Tumor type | (%) | |||
|---|---|---|---|---|
| Glioblastomas | 463 | 62.5 | ||
| 1 | Glioblastoma multiforme | 449 | — | — |
| 2 | Glioblastoma multiforme with oligodendroglial component | 7 | — | — |
| 3 | Giant cell glioblastoma | 4 | — | — |
| 4 | Glioblastoma multiforme, small cell type | 2 | — | — |
| 5 |
Glioblastoma multiforme with sarcomatous differentiation |
1 |
— |
— |
| Astrocytomas | 77 | 10.4 | ||
| 6 | Astrocytoma | 38 | — | — |
| 7 | Anaplastic astrocytoma | 28 | — | — |
| 8 | Diffuse astrocytoma | 7 | — | — |
| 9 | Infiltrating fibrillary astrocytoma | 2 | — | — |
| 10 | Gemistocytic astrocytoma | 1 | — | — |
| 11 |
Pleomorphic xanthoastrocytoma |
1 |
— |
— |
| Oligodendrogliomas | 37 | 5 | ||
| 12 | Oligodendroglioma | 27 | — | — |
| 13 |
Anaplastic oligodendroglioma |
10 |
— |
— |
| Mixed and other | 19 | 2.5 | ||
| 14 | Anaplastic oligoastrocytoma | 9 | — | — |
| 15 | Gliosarcoma | 5 | — | — |
| 16 | Oligoastrocytoma | 2 | — | — |
| 17 | Ganglioglioma | 1 | — | — |
| 18 | Diffuse pontine intrinsic glioma | 1 | — | — |
| 19 |
Low-grade glioma |
1 |
— |
— |
| Not specified | 145 | 19.6 | ||
| Total | 741 | 100 | ||