16 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 ... TIF1y, NXP2, Mi-2, SAE ... Myositis #Specific #Antibodies ... clinical #diagnosis #rheumatology
ANA Patterns and Associated Rheumatic Diseases:
 • Homogeneous: Systemic lupus erythematosus (SLE), Mixed connective tissue disease
erythematosus (SLE ... erythematosus (SLE ... , Polymyositis/Dermatomyositis ... #Antinuclear #Antibodies ... ANA #patterns #rheumatology
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
Antineutrophil cytoplasmic antibodies ... in drug-induced SLE ... Polymyositis and dermatomyositis ... polyangiitis without renal ... #diagnosis #rheumatology
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
RA Anti-dsDNA - SLE ... - Drug-induced SLE ... Polymyositis / Dermatomyositis ... diagnosis #table #rheumatology ... #antibodies
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 ... #Antinuclear #Antibodies ... ANA #patterns #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, ... Can also see mechanics ... Myositis #diagnosis #rheumatology
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
involvement 3% SLE-Related ... Auto-Antibodies ... Lupusreference #SLE ... autoantibodies #signs ... #differential #rheumatology
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Systemic Lupus (SLE ... Abdominal pain (20%) Renal ... Thrombocytopenia #Lupus #SLE ... erythematosus #signs ... symptoms #diagnosis #rheumatology
EULAR/ACR Classification Criteria for Systemic Lupus Erythematosus
Clinical Domains:
 • Constitutional domain: Fever
 • Cutaneous domain: Non-scarring
hemolysis • Renal ... Highly specific antibodies ... Classification #Criteria #SLE ... Erythematosus #diagnosis #rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Still disease, dermatomyositis ... Non-autoimmune rheumatologic ... APLA/LAC: • Renal ... 1, SCL-70, RNP antibodies ... anticardiolipin antibodies