C3 glomerulopathy: what's in a name?

Abstract excerpt

Whereas early classifications of membranoproliferative glomerulonephritis (MPGN) were based on morphologic features, the modern approach is directed at immunofluorescence findings. Glomerular deposits of C3 alone, without immunoglobulin, are the hallmark of alternative complement pathway dysregulation through inherited or acquired defects. These immunoglobulin-negative forms are referred to as C3 glomerulopathy,...

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