Clinical contribution of myositis-related antibodies detected by immunoblot to idiopathic inflammatory myositis: A one-year retrospective study

Marie Lecouffe-Desprets, Caroline Hémont, Antoine Néel, Claire Toquet, Agathe Masseau, Mohamed Hamidou, Regis Josien & Jérôme C. Martin
In this study, we aimed at evaluating the contribution of an extended myositis-related antibodies (Abs) determination by immunoblot to the diagnosis, classification, and prognosis of idiopathic inflammatory myositis (IIM). Medical records of all the patients (n = 237) with myositis-related Ab requests addressed to our department over a one-year period were retrospectively analyzed. Patients were classified as IIM, auto-immune disease (AID) other than IIM, and other diagnosis, and examined for their Ab profiles as determined by immunoblot....
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