Which conditions should be included in the differential diagnoses of polymyositis?

Updated: Jan 05, 2021
  • Author: Mythili Seetharaman, MD; Chief Editor: Herbert S Diamond, MD  more...
  • Print

Conditions to consider in the differential diagnosis of polymyositis include the following:

  • Hypokalemia
  • Hypophosphatemia
  • Hypothyroidism
  • Myasthenia gravis
  • Myopathies
  • Inclusion body myositis
  • Eosinophilic myositis
  • Myositis ossificans
  • Focal myositis
  • Giant cell myositis
  • Diabetic polyradiculopathy
  • Metabolic myopathy
  • Muscular dystrophy
  • Myasthenia gravis
  • Overlap connective-tissue diseases

Did this answer your question?
Additional feedback? (Optional)
Thank you for your feedback!