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Demographic and clinical Information for 101 patients who underwent Gamma Knife radiosurgery. The 62 women and 39 men ranged in age from 31 to 91 years old (mean 61 years).
| Characteristic | No. (%) |
| Diagnosis | |
| Arteriovenous malformation | 2 (2.0) |
| Jugular schwannoma | 1 (1.0) |
| Meningioma | 25 (24.8) |
| Metastasis | 3 (3.0) |
| Pituitary | 7 (6.9) |
| Trigeminal neuralgia | 41 (40.6) |
| Trigeminal schwannoma | 6 (5.9) |
| Vestibular schwannoma | 16 (15.8) |
| Pin type used | |
| Aluminum | 29 (28.7) |
| Titanium | 72 (71.3) |
