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A rare case of right trigeminal neuralgia due to dural arteriovenous fistula

1 Department of Neurosurgery, Kovai Medical Center and Hospitals, Coimbatore, Tamil Nadu, India
2 Department of Interventional Radiology, Kovai Medical Center and Hospitals, Coimbatore, Tamil Nadu, India

Correspondence Address:
Rohit Balasubramanian,
OPD No. 13, Kovai Medical Center and Hospitals, 99 Avinash Road, Civil Aerodrome Post, Coimbatore - 641 014, Tamil Nadu
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/ajns.AJNS_93_20

Trigeminal neuralgia (TGN) is often caused by a neurovascular conflict at the root entry zone of the fifth nerve. Dural arteriovenous fistula (DAVF) accounts for 3'–4' cases of TGN. We report a posttraumatic head injury patient, presenting with gait ataxia and right facial pain. Radiographic evidence with magnetic resonance imaging and digital subtraction angiography was suggestive of DAVF. Surgical clipping and obliteration of fistula alleviated the TGN.

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