17 results
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
their Disease Associations ... ANA - Non-specific ... Anti-mitochondrial (AMA ... #diseases #diagnosis ... #table #rheumatology
Antinuclear antibodies and Systemic lupus
Anti-dsDNA	60-80%	Association with disease activity (when with Farr assay) and lupus nephritis. Can
Systemic lupus ... searched for when ANA ... erythematosus #diagnosis ... #rheumatology # ... table #ANA
Autoantibodies in Rheumatology
 • Lupus (SLE): ANA (anti-nuclear antibody), dsDNA (double-stranded DNA), Anti-Smith, Anti-Ro (SSA) and
• Lupus (SLE): ... ANA (anti-nuclear ... • Scleroderma (Systemic ... #diagnosis #associations ... #table
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
(SLE) - Diagnosis ... and Management ... • Immunologic Workup ... : - ANA > ... #rheumatology
Systemic Lupus Erythematosus - Summary
Antinuclear (ANA) - 95% - Initial screening test
Anti-dsDNA - 50%
 • Associated
Systemic Lupus Erythematosus ... Antinuclear (ANA ... #Summary #diagnosis ... #rheumatology # ... management
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
: - ANA > ... : - ANA > ... #comparison #table ... #rheumatology # ... diagnosis #management
IgG4-Related Disease
Clinical history:  Man, 60 years, multiorgan involvement, unique or multiple inflammatory pseudotumor
4 phenotypes:
 •
aorta • Head ... female, asian • Systemic ... #management #phenotypes ... #workup #treatment ... #rheumatology
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... affected joint • Systemic ... Antinuclear antibody (ANA ... , a negative ANA ... multiple myeloma) • ANA
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
Behçet's Syndrome Systemic ... Asia • HLA-B51 association ... Glucocorticoids 5-ASA ... #management #signs ... #symptoms #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
< 30 years - Aorta ... • GCA: - Aorta ... LFT • ESR • ANA ... SLE) • Urinalysis ... #rheumatology #