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  • Title: Loss of anisotropy in trigeminal neuralgia revealed by diffusion tensor imaging.
    Author: Herweh C, Kress B, Rasche D, Tronnier V, Tröger J, Sartor K, Stippich C.
    Journal: Neurology; 2007 Mar 06; 68(10):776-8. PubMed ID: 17339587.
    Abstract:
    We studied the trigeminal nerve in seven healthy volunteers and six patients with trigeminal neuralgia using the diffusion tensor imaging derived parameter fractional anisotropy (FA). While controls did not show a difference between both sides, there was a reduction of FA in the affected nerve in three of six patients with accompanying nerve-vessel conflict and atrophy. Reversibility of abnormally low FA values was demonstrated in one patient successfully treated with microvascular decompression.
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