IgA→ concurrent with or 5-7 days after upper respiratory infection (synpharyngitic)
hematuria ☆returns every few months
complement normal
renal biopsy→ ☆mesangial hypercellularity with mesangial IgA deposits
PSGN→ ☆1-3 weeks after streptoccal pharyngitis
☆recurrence is rare
biopsy→ granular IgG and C3 deposits along the glomerular basement membrane
renal
UWorld
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