Abstract
A series of 49 patients with trigeminal neuralgia (TN) were treated by three different surgical procedures: (1) peripheral ablative procedures in 10 patients; (2) percutaneous rhizotomy in 17 patients and (3) intracranial rhizotomy (IR) in 22 patients. On the basis of surgical treatment, the concept that neurovascular compression is a mechanical factor in the aetiology of TN was supported in 14 to 18 patients who underwent posterior fossa exploration. The results support the conclusion that retromastoid craniectomy with IR is the procedure of choice for the majority of patients with TN.
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