TOPICS: Dermatomyositis, heliotrope rash, malar rash, gottron papules, butterfly rash, ANA, creatine kinase, antisynthetase, anti-Jo-1, anti-SRP, anti helicase, anti-Mi-2, perimysial inflammation, CD4+ T cells, corticosteroids, polymyositis, endomysial inflammation, CD8+ T cells, X linked muscular dystrophy, duchenne muscular dystrophy, becker muscular dystrophy, dystrophin, calf pseudohypertrophy, gower's sign
