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Developing classification criteria for skin-predominant dermatomyositis: the Delphi process.

Josef Symon S ConchaS PenaR G GaffneyB PatelM TaraziC J KushnerJ F MerolaD FiorentinoJ P DutzM GoodfieldF NybergB Volc-PlatzerM FujimotoC C AngVictoria P Werthnull null
Published in: The British journal of dermatology (2019)
This project is a key step in the development of prospectively validated classification criteria that will create a more inclusive population of patients with DM for clinical research. What's already known about this topic? Proper classification of patients with skin-predominant dermatomyositis (DM) is indispensable in the appropriate conduct of clinical/translational research in the field. The only validated European League Against Rheumatism/American College of Rheumatology criteria for idiopathic inflammatory myopathies are able to classify skin-predominant DM. However, a quarter of amyopathic patients still fail the criteria and does not meet the disease classification. What does this study add? A list of 25 potential criteria divided into categories of distribution, morphology, symptomatology, pathology and contextual factors has been generated after several rounds of consensus exercise among experts in the field of DM. This Delphi project is a prerequisite to the development of a validated classification criteria set for skin-predominant DM.
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