19 results
ANCA-Associated Vasculitis
A group of necrotizing, small-vessel vasculitis without immune complex deposition. Complement levels are normal due
ANCA-Associated ... PR3 Anti-GBM disease ... @AnnKumfer #ANCA ... #CANCA #PANCA # ... PR3 #Diagnosis #Rheumatology
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
Antibody) and ANCA ... Vasculitis: • ... Microscopic polyangiitis ... Renal-limited vasculitis ... antibodies #diagnosis #rheumatology
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
hepatitis Anti-CCP, Rheumatoid ... c-ANCA - Vasculitis ... granulomatosis p-ANCA ... Microscopic polyangiitis ... diagnosis #table #rheumatology
Autoantibodies in Rheumatology
 • Lupus (SLE): ANA (anti-nuclear antibody), dsDNA (double-stranded DNA), Anti-Smith, Anti-Ro (SSA) and
(anti-nuclear antibody ... ribonucleoprotein) • RA: Rheumatoid ... Polymerase Ill • ANCA ... Vasculitis: P-ANCA ... perinuclear), C-ANCA
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
): • Microscopic ... Vasculitis: + MPO-ANCA ... Diagnosis: Systemic rheumatic ... Presentation - Systemic Symptoms ... differential #diagnosis #rheumatology
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Pauci-Immune: - ANCA-positive ... polyangiitis, Microscopic ... polyangiitis) - ANCA-negative ... erythematosus, Rheumatoid ... testing: anti-ANCA
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
Nodosa (PAN), ANCA ... associated vasculitis ... (rare) • Rheumatic ... (IgG4-RD), Rheumatoid ... Differential #Diagnosis #rheumatology
Classification of Vasculitis 
Vasculitis of large vessels 
 - Arteritis temporalis (giant-cell arteritis) 
 - Takayasu
Classification of Vasculitis ... Vasculitis of ... small vessels - ANCA-associated ... granulomatosis - microscopic ... Vessels #Diagnosis #Rheumatology
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Antibody refers ... Using fluorescence microscopy ... context of other symptoms ... • Rheumatic Diseases ... #patterns #rheumatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
: ANCA Associated ... Pauci Immune (ANCA ... )): Microscopic ... No Granulomas (ANCA ... (-Granulomas) ANCA