49 results
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
Antibody) and ANCA ... ) • Systemic lupus ... Vasculitis: • ... Renal-limited vasculitis ... antibodies #diagnosis #rheumatology
Autoantibodies in Rheumatology
 • Lupus (SLE): ANA (anti-nuclear antibody), dsDNA (double-stranded DNA), Anti-Smith, Anti-Ro (SSA) and
Autoantibodies in Rheumatology ... ANA (anti-nuclear ... Polymerase Ill • ANCA ... Vasculitis: P-ANCA ... Autoantibodies #Rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
often causes arthritis ... Vasculitis: + MPO-ANCA ... such as systemic lupus ... LFT • ESR • ANA ... differential #diagnosis #rheumatology
Proposed treatment algorithm for antineutrophil cytoplasmic antibody (ANCA)-associated vasculitis

#anca #vasculitis #treatment #algorithm #rheumatology #nephrology
cytoplasmic antibody (ANCA ... )-associated vasculitis ... #anca #vasculitis ... treatment #algorithm #rheumatology ... #nephrology
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
Negative IF): • PR3-ANCA ... (C-ANCA): GPA > ... > eGPA • MPO-ANCA ... (P-ANCA): eGPA, ... diagnosis #algorithm #rheumatology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Etiology: • Vascular ... Disruptions in vascular ... Cryoglobulinemia (MIXED) • ANCA ... Differential #Diagnosis #hematology ... #rheumatology #
Glomerulonephritis - Differential Diagnosis Framework
ANCA:
 • C-ANCA: GPA (Wegener's)
 • P-ANCA: Microscopic Polyangiitis, Eosinophilic GPA (Churg
Diagnosis Framework ANCA ... : • C-ANCA: GPA ... Wegener's) • P-ANCA ... differential #diagnosis #nephrology ... #causes
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Pauci-Immune: - ANCA-positive ... polyangiitis) - ANCA-negative ... testing: anti-ANCA ... , anti-GBM ab, ANA ... differential #diagnosis #nephrology
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
Non-Infectious Aortitis: • Vasculitides ... Nodosa (PAN), ANCA ... associated vasculitis ... (RA), Systemic lupus ... Differential #Diagnosis #rheumatology
Acute Kidney Injury (AKI) - Differential Diagnosis Framework
Pre-Renal:
 • Hypovolemia, Cardiorenal, Distributive Shock, HRS, Hypercalcemia, Renal
Intra-Renal: • Vascular ... Emboli, Thrombosis, Vasculitis ... • GN: ANCA, Anti-GBM ... Differential #Diagnosis #nephrology ... #causes #algorithm