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Persistent trigeminal artery supply to an intrinsic trigeminal nerve arteriovenous malformation: A rare cause of trigeminal neuralgia. Journal of clinical neuroscience Choudhri, O., Heit, J. J., Feroze, A. H., Chang, S. D., Dodd, R. L., Steinberg, G. K. 2015; 22 (2): 409-412

Abstract

Infratentorial arteriovenous malformations (AVM) associated with the trigeminal nerve root entry zone are a known cause of secondary trigeminal neuralgia (TN). The treatment of both TN and AVM can be challenging, especially if the AVM is embedded within the trigeminal nerve. A persistent trigeminal artery (PTA) can rarely supply these intrinsic trigeminal nerve AVM. We present a 64-year-old man with TN from a right trigeminal nerve AVM supplied by a PTA variant. The patient underwent microvascular decompression and a partial resection of the AVM with relief of facial pain symptoms. His residual AVM was subsequently treated with CyberKnife radiosurgery (Accuray, Sunnyvale, CA, USA). A multimodality approach may be required for the treatment of trigeminal nerve associated PTA AVM and important anatomic patterns need to be recognized before any treatment. Herein, we report to our knowledge the third documented patient with a posterior fossa AVM supplied by a PTA and the first PTA AVM presenting as facial pain.

View details for DOI 10.1016/j.jocn.2014.06.007

View details for PubMedID 25070632