Fig. 1

First Kidney Biopsy. a Hematoxylin and eosin (H&E) stain shows glomeruli with rigid and mildly thickened capillary walls. b PAS reveals glomerulus with rigid and mildly thickened capillary walls. c, d Immunofluorescence demonstrates 3 + IgG and 2 + C3 granular staining with capillary loop predominance. e Electron microscopy shows numerous electron dense subepithelial deposits with diffuse overlying effacement of the podocyte foot processes