Series of primary brain tumours investigated in our study
| Number of cases | Mean age (median); sex | Localisation | |
|---|---|---|---|
| Age is given in years. | |||
| CB, cerebellum; ChO, optical chiasma; F, female; FL, frontal lobe; FT, frontotemporal region; HT, hypothalamus; M, male; O, occipital lobe; P, parietal lobe; PF, posterior fossa; PO, parieto-occipital region; T, temporal lobe; Th, thalamus; TP, temporoparietal region; vIII, third ventricle; vL, lateral ventricle. | |||
| Astrocytic tumours | 33 | ||
| Pilocytic astrocytomas | 8 | 7.7 (6); 4F:4M | 2× ChO; 2× HT; 4× CB |
| Astrocytomas, grade II | 6 | 18.3 (18); 2F:4M | 2× TP; 1× O; 1× Th; 1× FL; 1× HT |
| Anaplastic astrocytomas | 6 | 30.1 (29); 4F:2M | 2× P; 1× FT; 1× T; 1× TP; 1× HT |
| Glioblastomas | 13 | 58.1 (61); 5F:7M | 6× P; 1× O; 2× PO; 2× T; 2× TP |
| Ependymomas | 27 | ||
| Ependymomas, grade II | 11 | 5.3 (7); 4F:7M | 6× PF 3× vIII, 2× vL |
| Anaplastic ependymomas | 16 | 4.8 (5); 8F :8M | 8× PF, 2× vIII, 6× vL |
| Oligodendrogliomas | 3 | 43.7 (45); 1F:2M | 2× P; 1× FL |
| Medulloblastomas | 7 | 7.7 (7); 3F:4M | 7× CB |
| Gangliogliomas | 3 | 16.6 (12); 1F:2M | 2× T; 1× Th |