16 results
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Antinuclear Antibodies ... with different rheumatic ... • Rheumatic Diseases ... • Non-Rheumatic ... Kumfer @AnnKumfer #Antinuclear
ANA Patterns and Associated Rheumatic Diseases:
 • Homogeneous: Systemic lupus erythematosus (SLE), Mixed connective tissue disease
and Associated Rheumatic ... Homogeneous: Systemic lupus ... , Drug-induced Lupus ... Speckled: Systemic lupus ... Kumfer @AnnKumfer #Antinuclear
Systemic Lupus Erythematosus - Summary
Antinuclear (ANA) - 95% - Initial screening test
Anti-dsDNA - 50%
 • Associated
Systemic Lupus Erythematosus ... - Summary Antinuclear ... Anti-UI-ribonucleoprotein - 35% • Raynaud ... severe disease Treatment ... #Systemic #Lupus
Antinuclear antibodies and Systemic lupus
Anti-dsDNA	60-80%	Association with disease activity (when with Farr assay) and lupus nephritis. Can
Antinuclear antibodies ... and Systemic lupus ... Farr assay) and lupus ... with MCTD and Raynaud's ... Lupusreference #Antinuclear
Antinuclear Antibody Testing - Nuclear and Cytoplasmic Patterns
Nuclear Patterns:
 • Homogeneous pattern: 
   -
Antinuclear Antibody ... Testing - Nuclear ... SSc, PM/SSc OS, Raynaud ... CTD-ILD, IIM, Raynaud ... #Antibody #Testing
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
joint • Systemic lupus ... erythematosus (SLE) - Antinuclear ... - CCP antibody testing ... and C serology testing ... workup #diagnosis #testing
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Autoimmune Vasculitis (lupus ... Measurement of antinuclear ... cytoplasmic antibodies, rheumatoid
IgG4-Related Disease
Clinical history:  Man, 60 years, multiorgan involvement, unique or multiple inflammatory pseudotumor
4 phenotypes:
 •
with response to treatment ... autoantibodies (antinuclear ... antibodies, rheumatoid ... IgG4+ cells" Treatment ... phenotypes #workup #treatment
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Complex: Systemic lupus ... erythematosus, Rheumatoid ... Disease-specific testing
Antinuclear Antibody Testing Cytoplasmic Patterns
Reticular/AMA: 
 • PBC, SSc, PBC/SSc OS, PBC/SjS OS
 • AMA
Speckled:
 •
Antinuclear Antibody ... Testing Cytoplasmic ... CTD-ILD, IIM, Raynaud ... ARUPLabs #ANA #Antinuclear ... #Antibody #Testing