32 results
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
Complement: Post-strep GN ... , Lupus Nephritis ... Purpura Anti-GBM antibodies ... involvement: Anti-GBM Disease ... diagnosis #algorithm #rheumatology
ANA Patterns and Associated Rheumatic Diseases:
 • Homogeneous: Systemic lupus erythematosus (SLE), Mixed connective tissue disease
Associated Rheumatic Diseases ... connective tissue disease ... , Drug-induced Lupus ... #Antinuclear #Antibodies ... ANA #patterns #rheumatology
Classification of Vasculitis 
Vasculitis of large vessels 
 - Arteritis temporalis (giant-cell arteritis) 
 - Takayasu
Classification of Vasculitis ... Vasculitis of ... - Kawasaki disease ... - systemic lupus ... Vessels #Diagnosis #Rheumatology
EULAR/ACR Classification Criteria for Systemic Lupus Erythematosus
Clinical Domains:
 • Constitutional domain: Fever
 • Cutaneous domain: Non-scarring
Classification Criteria ... pericarditis • Hematologic ... Highly specific antibodies ... Classification #Criteria ... Erythematosus #diagnosis #rheumatology
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
Antineutrophil cytoplasmic antibodies ... ) • Systemic lupus ... ANCA-Associated Vasculitis ... Renal-limited vasculitis ... #diagnosis #rheumatology
Autoantibodies in Rheumatology
 • Lupus (SLE): ANA (anti-nuclear antibody), dsDNA (double-stranded DNA), Anti-Smith, Anti-Ro (SSA) and
Autoantibodies in Rheumatology ... • Lupus (SLE): ... others (RNP, aPL antibodies ... Polymerase Ill • ANCA Vasculitis ... Autoantibodies #Rheumatology
Seronegative Inflammatory Arthritis - Differential Diagnosis
 • Seronegative Rheumatoid Arthritis 
 • Infectious Arthritis: Viral, Bacterial,
Systemic Rheumatic Disease ... : Systemic Lupus ... Erythematous, Systemic Vasculitis ... Sclerosis, Sjogren's Disease ... Differential #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 ... , Drug-induced Lupus ... #Antinuclear #Antibodies ... ANA #patterns #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
rapidly progressing GN ... inflammation Others: • Lupus ... such as systemic lupus ... C-ANCA) pattern: antibodies ... differential #diagnosis #rheumatology
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
Autoantibodies and their Disease ... c-ANCA - Vasculitis ... granulomatosis p-ANCA - Vasculitis ... diagnosis #table #rheumatology ... #antibodies