19 results
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
c-ANCA - Vasculitis ... granulomatosis p-ANCA - Vasculitis ... Microscopic polyangiitis ... diagnosis #table #rheumatology ... #antibodies
Classification of Vasculitis 
Vasculitis of large vessels 
 - Arteritis temporalis (giant-cell arteritis) 
 - Takayasu
Classification of Vasculitis ... Vasculitis of ... - Kawasaki disease ... granulomatosis - microscopic ... Vessels #Diagnosis #Rheumatology
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
Antineutrophil cytoplasmic antibodies ... ANCA-Associated Vasculitis ... : • Microscopic ... Renal-limited vasculitis ... #diagnosis #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
PR3-ANCA): • Microscopic ... (Granulomatous disease ... Dx: GPA, EGPA, microscopic ... C-ANCA) pattern: antibodies ... differential #diagnosis #rheumatology
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
Vasculitis Involving ... 50% Cutaneous Vasculitis ... Associated: - Microscopic ... : • Behcet Disease ... #dermatology #rheumatology
ANCA-Associated Vasculitis
A group of necrotizing, small-vessel vasculitis without immune complex deposition. Complement levels are normal due
ANCA-Associated Vasculitis ... polyangiitis (GPA), microscopic ... involvement - PR3>MPO Microscopic ... PR3 Anti-GBM disease ... PR3 #Diagnosis #Rheumatology
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Antinuclear Antibodies ... Antibody refers to antibodies ... Using fluorescence microscopy ... #Antinuclear #Antibodies ... ANA #patterns #rheumatology
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
Purpura Anti-GBM antibodies ... involvement: Anti-GBM Disease ... Glomerulonephritis #Vasculitis ... diagnosis #algorithm #rheumatology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
• Pauci-immune vasculitis ... Polyarteritis nodosa • Microscopic ... Granulomatous vasculitis ... • Necrotising vasculitis ... rash #diagnosis #rheumatology
Diagnosis of IgA Vasculitis (Henoch-Schönlein Purpura) - French Vasculitis Study Group 

1) Suggestive clinical manifestations
Diagnosis of IgA Vasculitis ... Purpura) - French Vasculitis ... from 45 to 85% : microscopic ... - Systemic disease ... HSP #Diagnosis #Rheumatology