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Differential diagnosis of AAV and ANCA-associated GN
| AAV | ANCA-associated GN |
|---|---|
| Henoch–Schonlein purpura | Lupus nephritis |
| Cryoglobulinaemic vasculitis | Anti-GBM disease |
| Drug-induced vasculitis | Other causes of rapidly progressive GN |
| Systemic infection | Thrombotic microangiopathies |
| Cholesterol embolization | |
| Malignancies | |
| Atrial myxoma with emboli |
GBM, glomerular basement membrane; GN, glomerulonephritis.
