• Mult. Scler. · Apr 2020

    Single Test to ARrive at Multiple Sclerosis (STAR-MS) diagnosis: A prospective pilot study assessing the accuracy of the central vein sign in predicting multiple sclerosis in cases of diagnostic uncertainty.

    • Margareta A Clarke, Amal Pr Samaraweera, Yasser Falah, Alain Pitiot, Christopher M Allen, Robert A Dineen, Chris R Tench, Paul S Morgan, and Nikos Evangelou.
    • School of Psychology, University of Nottingham, Nottingham, UK/Department of Clinical Neurology, Nottingham University Hospitals NHS Trust, Nottingham, UK.
    • Mult. Scler. 2020 Apr 1; 26 (4): 433-441.

    BackgroundMisdiagnosis is common in multiple sclerosis (MS) as a proportion of patients present with atypical clinical/magnetic resonance imaging (MRI) findings. The central vein sign has the potential to be a non-invasive, MS-specific biomarker.ObjectiveTo test the accuracy of the central vein sign in predicting a diagnosis of MS in patients with diagnostic uncertainty at disease presentation using T2*-weighted, 3 T MRI.MethodsIn this prospective pilot study, we recruited individuals with symptoms unusual for MS but with brain MRI consistent with the disease, and those with a typical clinical presentation of MS whose MRI did not suggest MS. We calculated the proportion of lesions with central veins for each patient and compared the results to the eventual clinical diagnoses. The optimal central vein threshold for diagnosis was established.ResultsThirty-eight patients were scanned, 35 of whom have received a clinical diagnosis. Median percentage of lesions with central veins was 51% in MS and 28% in non-MS. A threshold of 40.7% lesions with central veins resulted in 100% sensitivity and 73.9% specificity.ConclusionThe central vein sign assessed with a clinically available T2* scan can successfully diagnose MS in cases of diagnostic uncertainty. The central vein sign should be considered as a diagnostic biomarker in MS.

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