29 results
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
- SLE Anti-histone ... - Drug-induced SLE ... - SLE Anti-SSA ... Associations #diseases #diagnosis ... #table #rheumatology
Autoantibodies in Rheumatology
 • Lupus (SLE): ANA (anti-nuclear antibody), dsDNA (double-stranded DNA), Anti-Smith, Anti-Ro (SSA) and
Autoantibodies in Rheumatology ... • Lupus (SLE): ... Autoantibodies #Rheumatology ... #diagnosis #associations ... #table
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Discontinuation of causal ... life-threatening • Treatment ... #comparison #table ... #rheumatology # ... diagnosis #management
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
) - Diagnosis and ... Positive in 60-80% of cases ... life-threatening • Treatment ... Erythematosus #Diagnosis ... Management #Summary #rheumatology
Systemic Lupus Erythematosus - Summary
Antinuclear (ANA) - 95% - Initial screening test
Anti-dsDNA - 50%
 • Associated
screening test Anti-dsDNA ... • Specific for SLE ... severe disease Treatment ... #Summary #diagnosis ... #rheumatology #
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Causes of Thrombocytopenia ... - Differential Diagnosis ... Autoimmune • ITP • SLE ... Alloimmune • anti-HLA ... #Hematology
Antinuclear antibodies and Systemic lupus
Anti-dsDNA	60-80%	Association with disease activity (when with Farr assay) and lupus nephritis. Can
Highly specific for SLE ... with SLE-SSc-AlM ... erythematosus #diagnosis ... #rheumatology # ... table #ANA
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential Diagnosis ... test, ANA (e.g., SLE ... ), anti-phospholipid ... disease), HBsAg/anti-HBc ... #hematology
Myositis Specific Antibodies (MSAs)

Dermatomyositis: MDA5, TIF1y, NXP2, Mi-2, SAE
Anti-Synthetase Syndrome: Jo-1, PL7, PL12, EJ, OJ
Immune Mediated
TIF1y, NXP2, Mi-2, SAE ... Anti-Synthetase ... MSAs #clinical #diagnosis ... #rheumatology # ... table
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
of cases) 2 ... drug-induced SLE ... seen in 30—70% of cases ... Antineutrophil #antibodies #diagnosis ... #rheumatology #