Brain tumour distribution
| Tumour classification| | PAD code | Number of participants (N=1008) | |
|---|---|---|---|
| MS | No MS | ||
| N=110 (%) | N=898 (%) | ||
| Low grade malignancy | |||
| Plexiform neurofibroma/hamartoma | 451 | 7 (6.4) | 52 (5.8) |
| Meningioma, benign | 461 | 33 (30.0) | 251 (28.0) |
| Astrocytoma (grades 0–2) | 475 | 10 (9.1) | 130 (14.5) |
| Ependymoma (grades 1–2) | 485 | 2 (1.8) | 9 (1.0) |
| Hemangioblastoma | 511 | 1 (0.9) | 6 (0.7) |
| Dermoid cyst, cholesteatoma, teratoma | 821 | 0 (0) | 2 (0.2) |
| Craniopharyngioma | 881 | 3 (2.7) | 8 (0.9) |
| Germinoma | 981 | 2 (1.8) | 2 (0.2) |
| High-grade malignancy | |||
| Neuroblastoma | 416 | 0 (0) | 4 (0.5) |
| Medulloblastoma | 436 | 1 (0.9) | 4 (0.5) |
| Neurinoma | 456 | 1 (0.9) | 1 (0.1) |
| Astrocytoma (grades 3–4) | 476 | 28 (25.5) | 314 (35.0) |
| Ependymoblastoma (grades 3–4) | 486 | 1 (0.9) | 0 (0) |
| Meningioma | 466 | 1 (0.9) | 9 (1.0) |
| Teratoma | 826 | 0 (0) | 1 (0.1) |
| Uncertain grade of malignancy | |||
| Neurinoma | 453 | 0 (0) | 1 (0.1) |
| Hemangioma | 501 | 2 (1.8) | 13 (1.5) |
| Neuroepithelial tumour | 991 | 10 (9.1) | 42 (4.7) |
| Hemangiopericytoma, NOS | 533 | 0 (0) | 1 (0.1) |
| Other | 8 (7.3) | 48 (5.3) | |
MS, multiple sclerosis; NOS, not otherwise specified; PAD, pathological and anatomical diagnosis.