Juvenile Dermatomyositis Differential Diagnoses

Updated: May 12, 2021
  • Author: Ann M Reed, MD; Chief Editor: Lawrence K Jung, MD  more...
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Diagnostic Considerations

Problems to be considered in a patient with possible juvenile dermatomyositis include mitochondrial myopathies, as well as various forms of myositis, including the following:

  • Drug-induced myositis

  • Eosinophilic myositis

  • Graft-versus-host myositis

  • Granulomatous myositis

  • Overlap myositis

  • Pyomyositis

  • Viral myositis

The following rheumatologic and dermatologic disorders may also warrant consideration:

  • Raynaud phenomenon

  • Lupus erythematosus (systemic, discoid, subacute cutaneous)

  • Juvenile idiopathic arthritis

  • Scleroderma

  • Morphea

  • Psoriasis

  • Eczema

  • Tinea corporis

  • Urticaria

Differential Diagnoses