30 results
Myositis Specific Antibodies (MSAs)

Dermatomyositis: MDA5, TIF1y, NXP2, Mi-2, SAE
Anti-Synthetase Syndrome: Jo-1, PL7, PL12, EJ, OJ
Immune Mediated
Myositis Specific Antibodies ... (MSAs) Dermatomyositis ... Myositis #Specific #Antibodies ... MSAs #clinical #diagnosis ... #rheumatology #
Cutaneous and Systemic Findings in Dermatomyositis
Cutaneous Findings:
 - Heliotrope sign and edema
 - Nail-fold changes
 -
Systemic Findings in Dermatomyositis ... - Heliotrope sign ... or shawl sign ... #Dermatomyositis ... #Diagnosis #Rheumatology
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
Antineutrophil cytoplasmic antibodies ... Polymyositis and dermatomyositis ... polyangiitis without renal ... Antineutrophil #antibodies ... #diagnosis #rheumatology
ANA Patterns and Associated Rheumatic Diseases:
 • Homogeneous: Systemic lupus erythematosus (SLE), Mixed connective tissue disease
, Polymyositis/Dermatomyositis ... #Antinuclear #Antibodies ... ANA #patterns #rheumatology ... #diagnosis #differential
Systemic Sclerosis (Scleroderma)
Limited - CREST:
 • Calcinosis
 • Raynaud phenomenon
 • Esophageal dysmotility
 • Sclerodactyly
 •
• Scleroderma renal ... #Scleroderma #diagnosis ... #signs #symptoms ... #rheumatology
Autoimmune Myositis
Necrotizing myopathy is associated with higher CK levels, greater level of muscle weakness, less systemic
Dermatomyositis ... heliotrope rash, Shaw sign ... , holster sign, ... /full triad at diagnosis ... #rheumatology
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
Polymyositis / Dermatomyositis ... Associations #diseases #diagnosis ... #table #rheumatology ... #antibodies
Dermatomyositis (DM) and Polymyositis (PM): Pathogenesis and clinical findings
Elevated Antinuclear Antibodies: Anti-Jo-1, Anti-OJ, Anti-Mi2, Anti-SRP, Anti-EJ,
Dermatomyositis ... Elevated Antinuclear Antibodies ... flexors affected #Dermatomyositis ... Polymyositis #PM #Diagnosis ... Pathophysiology #Signs
ANTI-MDA5 DERMATOMYOSITIS

Cutaneous manifestations:
• Periorbital heliotrope (blue-purple) rash with edema
• Erythematous rash on the face, or the
chest (in a V-sign ... shoulders (in a shawl sign ... Inverse Gottron’s sign ... #rheumatology # ... dermatology #diagnosis
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Antinuclear Antibodies ... Antibody refers to antibodies ... , Polymyositis/Dermatomyositis ... ANA #patterns #rheumatology ... #diagnosis #differential