Article Text
Correspondence response
Response to: ‘Detection of myositis-specific antibodies: additional notes’ by Infantino et al
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We have with great interest read the response letter by Dr Infantino and colleagues on testing of methodologies used for detection of myositis-specific antibodies (MSA), to be published in the Annals of the Rheumatic Diseases.1 The authors discuss the need for validation of methodologies used for identifying MSA. The discussion stems from the publication of the new classification criteria for idiopathic inflammatory myopathies (IIM) ‘2017 European League Against Rheumatism/American College of Rheumatology classification criteria for adult and juvenile idiopathic inflammatory myopathies and their major subgroups’ that …