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Expert Rev Med Devices. 2011 Nov;8(6):709-21. doi: 10.1586/erd.11.46.

Gamma KnifeĀ® radiosurgery for trigeminal neuralgia.

Author information

1
Department of Neurological Surgery, University of Virginia Health Sciences Center, Charlottesville, VA, USA.

Abstract

Trigeminal neuralgia is characterized by a temporary paroxysmal lancinating facial pain in the trigeminal nerve distribution. The prevalence is four to five per 100,000. Local pressure on nerve fibers from vascular loops results in painful afferent discharge from an injured segment of the fifth cranial nerve. Microvascular decompression addresses the underlying pathophysiology of the disease, making this treatment the gold standard for medically refractory trigeminal neuralgia. In patients who cannot tolerate a surgical procedure, those in whom a vascular etiology cannot be identified, or those unwilling to undergo an open surgery, stereotactic radiosurgery is an appropriate alternative. The majority of patients with typical facial pain will achieve relief following radiosurgical treatment. Long-term follow-up for recurrence as well as for radiation-induced complications is required in all patients undergoing stereotactic radiosurgery for trigeminal neuralgia.

PMID:
22029468
DOI:
10.1586/erd.11.46
[Indexed for MEDLINE]

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