2017 EULAR/ACR classification criteria for adult and juvenile idiopathic inflammatory myopathies and their major subgroups: little emphasis on autoantibodies, why?

Anand N Malaviya

doi:10.1136/annrheumdis-2017-212701

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2017 EULAR/ACR classification criteria for adult and juvenile idiopathic inflammatory myopathies and their major subgroups: little emphasis on autoantibodies, why?

Anand N Malaviya1,2

¹ Department of Rheumatology, ISIC Superspeciality Hospital, New Delhi, Delhi, India
² A&R Clinic for Arthritis and Rheumatism, Vasant Kunj, New Delhi, Delhi, India

Correspondence to Professor Anand N Malaviya, Department of Rheumatology, ISIC Superspeciality Hospital, Vasant Kunj, NewDelhi 110070, India; anand_malaviya{at}yahoo.com

https://doi.org/10.1136/annrheumdis-2017-212701

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The publication of the EULAR/ACR classification criteria for ‘idiopathic inflammatory myopathy’ group of disease would be considered a landmark work in this field.1 The tremendous efforts of a large number of dedicated workers in the field of myositis from around the world coming together to produce this seminal document deserve high praise. The hope is that it will aid the drug trials on homogeneous subsets of this group of diseases yielding meaningful results. However, there is some concern for ‘an outsider’, a general rheumatologist like me, for not putting more emphasis on myositis-specific antibodies (MSAs). Most of the authors of this document …

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