15 results
ANCA Vasculitis - GPA, MPA, Eosinophilic GPA

doi:10.1038/s41572-020-0204-y

#ANCA #Vasculitis #GPA #MPA #Eosinophilic #rheumatology #diagnosis #comparison #table
ANCA Vasculitis ... s41572-020-0204-y #ANCA ... #Eosinophilic #rheumatology ... #diagnosis #comparison ... #table
Autoantibodies in Rheumatology
 • Lupus (SLE): ANA (anti-nuclear antibody), dsDNA (double-stranded DNA), Anti-Smith, Anti-Ro (SSA) and
Autoantibodies in Rheumatology ... • Lupus (SLE): ... Vasculitis: P-ANCA ... Autoantibodies #Rheumatology ... #table
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 ... Associations #diseases #diagnosis ... #table #rheumatology
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
- Differential Diagnosis ... Secondary: CTD: SLE ... Vasculitis • ANCA ... #dermatology #rheumatology ... #differential #diagnosis
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Workup: - ANA ... Workup: - ANA ... #comparison #table ... #rheumatology # ... diagnosis #management
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... Differential Diagnosis ... SLE) • Urinalysis ... #differential #diagnosis ... #rheumatology #
Systemic Lupus Erythematosus - Summary
Antinuclear (ANA) - 95% - Initial screening test
Anti-dsDNA - 50%
 • Associated
Antinuclear (ANA ... Associated with skin ... Ann Marie Kumfer ... #Summary #diagnosis ... #rheumatology #
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Differential Diagnosis ... purple, hemorrhagic skin ... Cryoglobulinemia (MIXED) • ANCA ... Associated - SLE ... #hematology #rheumatology
Antinuclear antibodies and Systemic lupus
Anti-dsDNA	60-80%	Association with disease activity (when with Farr assay) and lupus nephritis. Can
Highly specific for SLE ... searched for when ANA ... erythematosus #diagnosis ... #rheumatology # ... table #ANA
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
findings (ANA, ... : • ANCA-associated ... Serositis Labs: • ANA ... antibodies • (-) ANA ... #Rheumatology