14 results
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
Autoantibodies and ... their Disease Associations ... ANA - Non-specific ... (TTG) - Celiac disease ... #diagnosis #table
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Positive ANAAutoimmune ... Disease! ... Rheumatic Diseases ... #patterns #rheumatology ... #diagnosis #differential
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
ANA (Antinuclear ... connective tissue disease ... 90% • Anti-GBM disease ... #rheumatology # ... diseases
IgG4-Related Disease
Clinical history:  Man, 60 years, multiorgan involvement, unique or multiple inflammatory pseudotumor
4 phenotypes:
 •
IgG4-Related Disease ... female, asian • Systemic ... (antinuclear antibodies ... #Related #Disease ... #phenotypes #workup
Antinuclear antibodies and Systemic lupus
Anti-dsDNA	60-80%	Association with disease activity (when with Farr assay) and lupus nephritis. Can
and Systemic lupus ... Association with disease ... with auto-immune diseases ... #autoantibodies ... table #ANA
Paraproteinemias

Entities That Can Feature A Monoclonal Protein/M Component:
• MM
• WM
• MGUS
• MGCS
• MGRS
• Splenic Marginal Zone
• Heavy Chain disease ... anemia due to cold IgG ... Sneddon-Wilkinson disease ... #Differential #Diagnosis ... #Oncology
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
• Chronic lung disease ... Gastrointestinal inflammatory disease ... Granulomatous disease ... • Liver diseases ... interstitial lung disease
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Decade Skin Disease ... tissue disease ... rheumatologic diseases ... (e.g. thyroid disease ... ) • Kikuchi disease
Sjogren's Syndrome Overview

Epidemiology:
• F > M: 9:1
• 5-6th Decades (can be any age)

Autoimmune exocrinopathy multisystemic disease
multisystemic disease ... associated with other diseases ... demyelinating disease ... peripheral Thyroid Disease ... Tracheobronchial disease
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
95% (IgG anti-chromatin ... of autoantibodies ... Evolution: Chronic disease ... #rheumatology # ... diagnosis #management