31 results
Autoantibodies in Rheumatology
 • Lupus (SLE): ANA (anti-nuclear antibody), dsDNA (double-stranded DNA), Anti-Smith, Anti-Ro (SSA) and
ANA (anti-nuclear ... Vasculitis: P-ANCA ... perinuclear), C-ANCA ... #diagnosis #associations ... #table
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
ANA (Antinuclear ... ) • Systemic lupus ... • Sjögren syndrome ... Jcortesizaguirr #ANA ... #rheumatology #
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
(SLE) - Diagnosis ... and Management ... Workup: - ANA ... Positive in 60-80% of cases ... #rheumatology
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Workup: - ANA ... Discontinuation of causal ... Workup: - ANA ... #rheumatology # ... diagnosis #management
BEE Syndromes - Immune-mediated conditions affecting the brain, eye, and ear

Visual or auditory symptoms in conjunction
attributable to central ... Inflammatory causes ... • Systemic lupus ... spectrum disorder • ANCA-associated ... #differential #diagnosis
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... often causes arthritis ... inflammation Others: • Lupus ... such as systemic lupus ... #rheumatology #
Systemic Lupus Erythematosus - Summary
Antinuclear (ANA) - 95% - Initial screening test
Anti-dsDNA - 50%
 • Associated
Antinuclear (ANA ... severe disease & renal ... #SLE #Summary #diagnosis ... #rheumatology # ... management
Classification of Vasculitis 
Vasculitis of large vessels 
 - Arteritis temporalis (giant-cell arteritis) 
 - Takayasu
angiitis of the central ... small vessels - ANCA-associated ... - systemic lupus ... #Rheumatology # ... Diagnosis
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
- Differential Diagnosis ... arteritis, Cogan's Syndrome ... Nodosa (PAN), ANCA ... (RA), Systemic lupus ... #rheumatology
Antinuclear antibodies and Systemic lupus
Anti-dsDNA	60-80%	Association with disease activity (when with Farr assay) and lupus nephritis. Can
searched for when ANA ... SLE-SSc-AlM overlap syndromes ... erythematosus #diagnosis ... #rheumatology # ... table #ANA