Figure 1
From: Dense deposit disease is not a membranoproliferative glomerulonephritis

Dense deposit disease, light microscopy patterns. (a) Membranoproliferative dense deposit disease pattern 1: hypercellularity and lobular appearance, × 400 PAS. (b) Mesangial proliferative dense deposit disease pattern 2 mild mesangial cell and matrix increase, × 400 PAS. (c) Crescentic dense deposit disease pattern 3 cellular crescent, × 400 PAS. (d) Acute proliferative and exudative dense deposit disease pattern 4 diffuse endocapillary proliferation with numerous macrophages and neutrophils × 400 PAS.