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Gamma Knife for Trigeminal Neuralgia Radiosurgery has been shown to
provide complete pain relief for 60% to 70% of patient. The majority of these
patients have had one or more failed prior operations (average, 2 operations). University of Pittsburgh, Northwest, Mass General, IRSA Guidelines and IRSA story |
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| Approximately 5% to 10% of patients will develop new or worsened facial numbness after radiosurgery for trigeminal neuralgia. |
| Radiosurgery to alleviate trigeminal neuralgia was first advocated in 1951. Recent experience indicates that after retrogasserian radiosurgery (maximal dose 70–80 Gy with 4-mm diameter collimators), 58–70% of trigeminal neuralgia patients will eventually obtain complete relief from their pain. Go to references, recent references and see summary below. |
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| Therapy | Success Rate | Vn Morbidity | VIIIn Morbidity |
| Gamma Knife | 87% | 3% | 0% |
| 82 - 94% | |||
| MicroSurgery | 77% | 8% | 3% |
| 62-94% |
