5 results
Idiopathic Inflammatory Myopathies (IIM's)

RASH + MUSCLE WEAKNESS → Consider idiopathic inflammatory myopathies (IIM's)

 • Overlap Myositis
Myositis Any ... antisynthetase syndrome • Inclusion ... #IIMs #diagnosis ... #rheumatology # ... dermatology #Myopathy
Myositis Specific Antibodies (MSAs)

Dermatomyositis: MDA5, TIF1y, NXP2, Mi-2, SAE
Anti-Synthetase Syndrome: Jo-1, PL7, PL12, EJ, OJ
Immune Mediated
Mediated Necrotizing Myopathy ... ): HMGCR, SRP Inclusion ... #MSAs #clinical ... #diagnosis #rheumatology ... #table
Myositis and Myopathies
Polymyositis 
 • Progressive, symmetric muscle weakness 
 • Elevated CK, +Anti-Jo, +Anti-Mi2
Dermatomyositis
Myositis and Myopathies ... #Myopathies #myopathy ... #differential # ... diagnosis #comparison ... #rheumatology
Inflammatory Myopathies
Dermatomyositis
 • Onset: Subacute
 • Pattern: Proximal
 • CK: Up to 50X ULN
 • Autoantibodies:
Inflammatory Myopathies ... Body Myositis ... #differential # ... #rheumatology # ... table
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
- Differential ... Diagnosis Framework ... Inflammatory Myopathies ... phenomenon INCLUSION ... #Myopathy #rheumatology