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Case of microarteriovenous malformation-induced trigeminal neuralgia treated with radiosurgery

Abstract

Radiosurgery to the right fifth cranial nerve was performed with the Gamma Knife on a 39- year-old patient who presented with classic symptoms of trigeminal neuralgia (TN), but was found on imaging studies to harbour a small intrinsic vascular malformation within the nerve. Based on size and drainage, the arteriovenous malformation (AVM) was Spetzler-Martin Grade III and no previous history of bleeding was reported. The patient had failed a trial of carbamazepine, and no surgical procedures had been performed. A decrease in symptoms was reported by the 6-month follow- up. A review of the literature on microAVM-induced TN is provided as well as a discussion of management.

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Correspondence to D. Rigamonti.

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Anderson, W.S., Wang, P.P. & Rigamonti, D. Case of microarteriovenous malformation-induced trigeminal neuralgia treated with radiosurgery. J Headache Pain 7, 217–221 (2006). https://doi.org/10.1007/s10194-006-0306-2

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Key words

  • Trigeminal neuralgia
  • Radiosurgery
  • Arteriovenous malformation
  • Gamma Knife
  • Cerebellopontine angle

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