Distribution of CNS tumours by histology and sex
| Males | Females | Total (%) | |
| Tumours of neuroepithelial tissue: | |||
| Astrocytic tumours | |||
| Pilocytic astrocytoma (WHO grade I) | 11 | 8 | 19 (3.3) |
| Astrocytoma (WHO grade II) | 9 | 5 | 14 (2.4) |
| Anaplastic astrocytoma (WHO grade III) | 7 | 12 | 19 (3.3) |
| Glioblastoma (WHO grade IV) | 31 | 23 | 54 (9.3) |
| Subependymal giant cell astrocytoma | 1 | 1 (0.2) | |
| Oligodendroglial tumours | |||
| Oligodendroglioma | 7 | 3 | 10 (1.7) |
| Anaplastic oligodendroglioma | 2 | 1 | 3 (0.5) |
| Ependymal tumours | 1 | 4 | 5 (0.9) |
| Mixed gliomas | 3 | 3 (0.5) | |
| Neuroepithelial tumours of uncertain origin | |||
| Gliomatosis cerebri | 1 | 1 (0.2) | |
| Choroid plexus tumours | |||
| Choroid plexus papilloma | 1 | 2 | 3 (0.5) |
| Neuronal and mixed neuronal-glial tumours | |||
| Ganglioma | 1 | 1 | 2 (0.3) |
| Central neurocytoma | 1 | 1 | 2 (0.3) |
| Tumours with neuroblastic or glioblastic elements (embryonal tumours) | |||
| Primitive neuroectodermal | 1 | 3 | 4 (0.7) |
| Neuroblastoma | 2 | 1 | 3 (0.5) |
| Tumours of the sellar region | |||
| Pituitary adenoma | 45 | 24 | 69 (11.8) |
| Craniopharyngioma | 6 | 4 | 10 (1.7) |
| Haematopoietic tumours | |||
| Lymphoma | |||
| B cell | 9 | 6 | 15 (2.6) |
| T cell | 1 | 1 | 2 (0.3) |
| Germ cell tumours | |||
| Germinoma | 3 | 1 | 4 (0.7) |
| Teratoma | 2 | 2 (0.3) | |
| Tumours of the meninges | |||
| Benign meningioma | 52 | 133 | 185 (31.7) |
| Atypical meningioma | 6 | 8 | 14 (2.4) |
| Malignant meningioma | 3 | 3 | 6 (1.0) |
| Non-meningothelial tumours of the meninges | |||
| Malignant mesenchymal | |||
| Hemangiopericytoma | 4 | 4 (0.7) | |
| Tumours of uncertain histogenesis | |||
| Haemangioblastoma | 4 | 9 | 13 (2.2) |
| Tumours of cranial and spinal nerves | 28 | 27 | 55 (9.4) |
| Local extensions from regional tumours | |||
| Paraganglioma | 1 | 1 (0.2) | |
| Chordoma | 1 | 1 (0.2) | |
| Metastatic neoplasms | |||
| Adenocarcinoma | 20 | 13 | 33 (5.7) |
| Squamous cell carcinoma | 2 | 2 (0.3) | |
| Metastatic carcinoma | 15 | 8 | 23 (4.0) |
| Unclassified tumours | |||
| Haemangioendothelioma | 1 | 1 (0.2) | |
| Total | 276 | 307 | 583 (100) |