The balance between clinical convenience and the new concepts of the 2017 European League Against Rheumatism/American College of Rheumatology classification criteria for adult and juvenile idiopathic inflammatory myopathies

摘要

Patients with idiopathic inflammatory myopathies (IIM), including dermatomyositis (DM), polymyositis (PM), inclusion body myositis (IBM), and juvenile idiopathic myositis, show heterogeneous clinical symptoms that reflect differences in organ involvement, but all of these conditions include muscle weakness [1].