Summary of neurological conditions treatable with Leksell Gamma Knife65
| Category | Treatable indication | Annual incidence (per million) | Prevalence (per million population) | Per cent indicated for Gamma Knife treatment | Annual Gamma Knife cases (per million) |
|---|---|---|---|---|---|
| Benign tumours | Meningioma | 74.4 | 975 | 50 | 36.7 |
| Pituitary tumour | 31.2 | 757 | 15 | 4.7 | |
| Vestibular schwannoma | 19 | 200 | 80 | 15.2 | |
| Craniopharyngioma | 1.8 | NA | 20 | 0.36 | |
| Malignant tumours | Metastases | 83–550 | NA | 90 | 74.7–495 |
| Anaplastic astrocytoma | 3.7 | NA | 20 | 0.74 | |
| Glioblastoma | 31.9 | 280 | 20 | 6.38 | |
| Nasopharyngeal cancer | 7 | NA | 10 | 0.7 | |
| Lymphoma | 4.4 | NA | 10 | 0.44 | |
| Vascular abnormalities | Arteriovenous malformations | 8.9–13.4 | 180 | 70 | 6.23–9.38 |
| Cavernous malformations | 4.3 | 1000–40 000 | 15 | 0.645 | |
| Dural AV fistulas | 1.7 | NA | 50 | 0.85 | |
| Functional disorders | Trigeminal neuralgia | 126–289 | 700 | 50 | 63–144.5 |
| Parkinsonian tremor | 120–146 | 3150 | 15 | 18–21.9 | |
| Essential tremor | 237 | 3000–4000 | 50 | 118.5 | |
| Epilepsy | 450 | 5000–9000 | 5 | 22.5 | |
| Behavioural disorders | 160–2000 | 23 000 | 2 | 3.2–40 | |
| Other/rare tumours | Chondrosarcoma | 0.1 | NA | 10 | 0.01 |
| Chordoma | 0.2–0.8 | NA | 10 | 0.02—0.08 | |
| Ependymoma | 4.2 | NA | 10 | 0.42 | |
| Hemangioblastoma | 1.7 | NA | 20 | 0.34 | |
| Hemangioma | 2.6 | NA | 1 | 0.026 | |
| Glomus tumour | 0.77 | NA | 75 | 0.58 | |
| Choroid plexus tumour | 0.5 | NA | 5 | 0.025 | |
| Central neurocytoma | 0.21–1.05 | NA | 10 | 0.021–0.105 |