Journal of Neurology, Neurosurgery & Psychiatry | VOL. 20
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MRI lesions can often precede trigeminal neuralgia symptoms by years in multiple sclerosis

Publication Date Nov 17, 2022

Abstract

BackgroundUnderstanding when multiple sclerosis (MS) lesions become clinically symptomatic may provide insight into disease pathophysiology. Our objective was to temporally associate lesion formation and trigeminal neuralgia (TN) symptom onset in MS.MethodsThis is a retrospective case series of patients with MS, analysing time difference between TN symptom onset and oldest MRI showing a correlative lesion.ResultsFor the 26 patients with MS, a correlative lesion was noted on MRI on average 5±4 years prior to TN symptom onset; 57% had primary or secondary progressive MS.ConclusionsTN lesions can be present years prior to symptom onset, suggestive of alternative explanations than typical relapses. This phenomenon may hint at alternative pathophysiology of progressive MS in comparison to relapsing-remitting MS.

Concepts

Years In Multiple Sclerosis Multiple Sclerosis Symptom Onset Trigeminal Neuralgia MRI Lesions Pathophysiology Of Multiple Sclerosis Disease Pathophysiology Multiple Sclerosis Lesions Trigeminal Neuralgia Symptoms Neuralgia Symptoms

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