125 results
Systemic Lupus Erythematosus - Summary
Antinuclear (ANA) - 95% - Initial screening test
Anti-dsDNA - 50%
 • Associated
Systemic Lupus Erythematosus ... - Summary Antinuclear ... Anti-UI-ribonucleoprotein - 35% • Raynaud ... • MCTD (SLE/systemic ... @AnnKumfer #Systemic
Raynaud Phenomenon Differential Diagnosis:

Rheumatologic

 - MCC systemic sclerosis, RA, SLE, Sjogren syndrome, Antisynthetase syndrome, MCTD
Heme

 -
Raynaud Phenomenon ... Rheumatologic - MCC systemic ... #Diagnosis #Reynaud
ANA Patterns and Associated Rheumatic Diseases:
 • Homogeneous: Systemic lupus erythematosus (SLE), Mixed connective tissue disease
• Homogeneous: Systemic ... ) • Speckled: Systemic ... Nucleolar: Diffuse systemic ... • Peripheral: Systemic ... Kumfer @AnnKumfer #Antinuclear
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 ... with MCTD and Raynaud's ... Lupusreference #Antinuclear ... autoantibodies #Systemic
Systemic Sclerosis (Scleroderma)
Limited - CREST:
 • Calcinosis
 • Raynaud phenomenon
 • Esophageal dysmotility
 • Sclerodactyly
 •
Systemic Sclerosis ... Calcinosis • Raynaud ... @AnnKumfer #Systemic
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
ANA (Antinuclear ... antibodies) • Systemic ... drug-induced SLE) • Systemic ... Jcortesizaguirr #ANA #Antinuclear
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Antinuclear Antibodies ... • Homogeneous: Systemic ... ) • Speckled: Systemic ... • Peripheral: Systemic ... Kumfer @AnnKumfer #Antinuclear
I’M DAMN SHARP - Lupus Diagnosis Mnemonic
I  	 Immunoglobulins (Anti-dsDNA, Anti-Sm, Anti-phospholipid)
M 	 Malar Rash
D
Discoid Rash A Antinuclear ... IMDAMNSHARP #sle #systemic
Systemic Sclerosis (Scleroderma)
Multi-system autoimmune disease characterized by vasculopathy and progressive fibrosis of skin and internal organs
3
Systemic Sclerosis ... Scleroderma) Multi-system ... Limited cutaneous systemic ... knees • Diffuse systemic ... • Vascular: Raynaud's
Antinuclear Antibody Testing - Nuclear and Cytoplasmic Patterns
Nuclear Patterns:
 • Homogeneous pattern: 
   -
Antinuclear Antibody ... SSc, PM/SSc OS, Raynaud ... CTD-ILD, IIM, Raynaud ... ARUPLabs #ANA #Antinuclear