35 results
ANA Patterns and Associated Rheumatic Diseases:
 • Homogeneous: Systemic lupus erythematosus (SLE), Mixed connective tissue disease
ANA Patterns and ... Associated Rheumatic Diseases ... #Antinuclear #Antibodies ... #ANA #patterns ... #rheumatology #diagnosis
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
ANA (Antinuclear ... ) • Systemic lupus ... drug-induced SLE) • Systemic ... Jcortesizaguirr #ANA ... #diagnosis #rheumatology
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
(ANA) ANA or Anti-NucIear ... • +ANA can be seen ... The higher the ANA ... • Pattern: The ANA ... #rheumatology #diagnosis
Autoantibodies in Rheumatology
 • Lupus (SLE): ANA (anti-nuclear antibody), dsDNA (double-stranded DNA), Anti-Smith, Anti-Ro (SSA) and
ANA (anti-nuclear ... others (RNP, aPL antibodies ... • Scleroderma (Systemic ... Polymerase Ill • ANCA ... perinuclear), C-ANCA
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
ANA - Non-specific ... Anti-mitochondrial (AMA ... c-ANCA - Vasculitis ... granulomatosis p-ANCA ... antibodies
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
Systemic Lupus Erythematosus ... SLE-Related Auto-Antibodies ... : - ANA 95-100% ... and Lupus Mimickers ... #signs #symptoms
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
Systemic Lupus Erythematosus ... (SLE) - Diagnosis ... Workup: - ANA ... : Chronic disease ... #Summary #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
as systemic lupus ... purpura: strong sign ... LFT • ESR • ANA ... ) pattern: antibodies ... #rheumatology #
I’M DAMN SHARP - Lupus Diagnosis Mnemonic
I  	 Immunoglobulins (Anti-dsDNA, Anti-Sm, Anti-phospholipid)
M 	 Malar Rash
D
M DAMN SHARP - Lupus ... Antinuclear Antibody (ANA ... Arthritis R Renal Disease ... IMDAMNSHARP #sle #systemic ... #rheumatology #
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Pauci-Immune: - ANCA-positive ... polyangiitis) - ANCA-negative ... lupus erythematosus ... testing: anti-ANCA ... , anti-GBM ab, ANA