Fig. 4

Electron microscopy of a glomerulus: A (original magnification 1000x) Multi-foci of subendothelial electron dense deposits (white straight arrows); B (original magnification 8000x) Multi-foci of mesangial electron dense deposits (white straight arrows); C (original magnification 3000x) Severe endocapillary hypercellularity (white straight arrows). D (original magnification 3000x) Severe endocapillary hypercellularity (white straight arrows) and rupture of glomerular basement membrane (black straight arrows) with fibrinoid necrosis and crescentic lesion (white curved arrows) outside of the rupture