Mycoplasma pneumoniae Infection Associated C3 Glomerulopathy Presenting as Severe Crescentic Glomerulonephritis

Figure 2

Periodic acid-Schiff (a) and silver (b) stained sections showed disruptive crescents extending beyond the limit of Bowman’s capsule (arrows) (400x). (c) Immunofluorescence of C3 showed coarse granular mesangial deposits (400x). Immunofluorescence was negative for IgG (d), IgA (e), IgM (f), and C1q (g).