• World Neurosurg · Mar 2020

    Case Reports

    Resolution of Trigeminal Neuralgia After Surgical Disconnection of a Foramen Magnum Dural Arteriovenous Fistula.

    • Hao Chen, Rudong Chen, Hongkuan Yang, Hua Li, Junhong Wang, and Jiasheng Yu.
    • Department of Neurosurgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
    • World Neurosurg. 2020 Mar 1; 135: 209-213.

    BackgroundTrigeminal neuralgia (TN) resulting from dural arteriovenous fistulas (DAVFs) is rare. TN caused by a foramen magnum DAVF has not been reported yet. We report a patient with TN caused by a foramen magnum DAVF treated with surgical disconnection.Case DescriptionA 35-year-old man was admitted to our hospital with a right TN. Magnetic resonance imaging showed an abnormal flow void in the posterior fossa and a vascular structure next to the root entry zone of the right trigeminal nerve. Digital subtraction angiography showed a Cognard type IV DAVF located at the foramen magnum. The fistula was disconnected surgically. The patient was rendered completely pain-free, and the fistula did not recur during 4-year follow-up.ConclusionsDAVF is a rare cause of TN. Surgical disconnection is an effective treatment method for TN caused by a foramen magnum DAVF.Copyright © 2019. Published by Elsevier Inc.

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