4 results
Myositis and Myopathies
Polymyositis 
 • Progressive, symmetric muscle weakness 
 • Elevated CK, +Anti-Jo, +Anti-Mi2
Dermatomyositis
Myositis and Myopathies ... Anti-Jo, +Anti-Mi2 Dermatomyositis ... #differential # ... diagnosis #comparison ... #rheumatology
Inflammatory Myopathies
Dermatomyositis
 • Onset: Subacute
 • Pattern: Proximal
 • CK: Up to 50X ULN
 • Autoantibodies:
Dermatomyositis ... exclusion Necrotizing Autoimmune ... #differential # ... diagnosis #comparison ... #rheumatology #
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
Autoimmune Myositis ... ) • Anti-Mi2 (skin ... Syndrome: Fever, joint ... #rheumatology # ... differential #diagnosis
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
3rd Decade Skin ... permanent alopecia Differential ... Still disease, dermatomyositis ... Arthritis: • Joint ... #Rheumatology