11 results
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
Autoantibodies and ... ANA - Non-specific ... c-ANCA - Vasculitis ... granulomatosis p-ANCA ... diagnosis #table #rheumatology
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
ANA (Antinuclear ... antibodies) • Systemic ... scleroderma) - Anti-Scl ... cases • Sjögren syndrome ... antibodies #diagnosis #rheumatology
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Antinuclear Antibodies ... Positive ANAAutoimmune ... SLE), Sjogren's Syndrome ... @AnnKumfer #Antinuclear ... #patterns #rheumatology
IgG4-Related Disease
Clinical history:  Man, 60 years, multiorgan involvement, unique or multiple inflammatory pseudotumor
4 phenotypes:
 •
IgG4-Related Disease ... female, asian • Systemic ... serum lgE, no autoantibodies ... (antinuclear antibodies ... #treatment #rheumatology
Antinuclear antibodies and Systemic lupus
Anti-dsDNA	60-80%	Association with disease activity (when with Farr assay) and lupus nephritis. Can
and Systemic lupus ... searched for when ANA ... SLE-SSc-AlM overlap syndromes ... #autoantibodies ... #table #ANA
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
findings (ANA, ... Diagnosis: • ANCA-associated ... rheumatologic diseases ... Serositis Labs: • ANA ... antibodies • (-) ANA
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
: - ANA > ... 95% (IgG anti-chromatin ... of autoantibodies ... months to years) Systemic ... : - ANA >
Paraproteinemias

Entities That Can Feature A Monoclonal Protein/M Component:
• MM
• WM
• MGUS
• MGCS
• MGRS
• Splenic Marginal Zone
• Heavy Chain disease ... macular Vasculitis) Autoantibodies ... Evans • ITP • Cl-NH ... anemia due to cold IgG ... Differential #Diagnosis #Oncology
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... affected joint • Systemic ... antibody (ANA) ... thus, a negative ANA ... ACE level, CXR, ANCA
TAFRO

TAFRO syndrome was first described in 2010, standing for:
- Thrombocytopenia
- Anasarca
- Fever
- Reticulin fibrosis
- Organomegaly

TAFRO syndrome
mesothelioma, etc - Autoimmune ... , ANCA-associated ... - IGG4 - Hepatic ... the systemic symptoms ... diagnosis #management #rheumatology