10 results
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
ANA (Antinuclear ... Antibody) and ANCA ... scleroderma) - Anti-Scl ... #Antinuclear #Antibody ... #rheumatology #
Autoantibodies in Rheumatology
 • Lupus (SLE): ANA (anti-nuclear antibody), dsDNA (double-stranded DNA), Anti-Smith, Anti-Ro (SSA) and
• Lupus (SLE): ANA ... others (RNP, aPL antibodies ... Ill • ANCA Vasculitis ... : P-ANCA (perinuclear ... ), C-ANCA (cytoplasmic
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
Disease Associations ANA ... Graves' disease c-ANCA ... granulomatosis p-ANCA ... diagnosis #table #rheumatology ... #antibodies
I’M DAMN SHARP - Lupus Diagnosis Mnemonic
I  	 Immunoglobulins (Anti-dsDNA, Anti-Sm, Anti-phospholipid)
M 	 Malar Rash
D
Discoid Rash A Antinuclear ... Antibody (ANA) ... Arthritis R Renal ... erythematosus #rheumatology
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Antinuclear Antibodies ... (ANA) ANA or Anti-NucIear ... Antibody refers ... #Antibodies #ANA ... #patterns #rheumatology
Antinuclear Antibody Testing - Nuclear and Cytoplasmic Patterns
Nuclear Patterns:
 • Homogeneous pattern: 
   -
Antinuclear Antibody ... Smith, Sm/RNP, Scl ... ARUPConsult @ARUPLabs #ANA ... #Antinuclear #Antibody ... differential #diagnosis #rheumatology
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... erythematosus (SLE) - Antinuclear ... antibody (ANA) ... antibodies, which ... ACE level, CXR, ANCA
Antinuclear Antibody Testing - Nuclear Patterns
Homogeneous pattern: 
 • SLE, SSc, AIH, JIA
 • dsDNA, chromatin,
Antinuclear Antibody ... Smith, Sm/RNP, Scl ... ARUPConsult @ARUPLabs #ANA ... #Antinuclear #Antibody ... differential #diagnosis #rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
findings (ANA, ... Diagnosis: • ANCA-associated ... Serositis Labs: • ANA ... -70, RNP antibodies ... • (-) ANA + (+
Anti-NXP-2 Dermatomyositis

What?
DM with generalized subcutaneous edema
Pts have more myalgias, more severe weakness, and an increased prevalence
Antibodies targeting ... dorsal part of the MCP ... levels • NXP-2 antibody ... • Clear cell renal ... diagnosis #management #rheumatology