Figure 1118

Lupus nephritis class V. A, Discrete spikes on the epithelial side of the glomerular basement membrane (GBM) (arrows), and a moderate increase of mesangial cells. B, Immunofluorescence. Fine granular deposits of immunoglobulin G along the capillary wall in a characteristic membranous pattern. C, Electron micrograph reveals electron-dense deposits on the epithelial side of the GBM between spikes. Between an increased number of mesangial cells small deposits also are present (arrows). L—capillary lumen; S—spikes; U—urinary space. (Panel A, methenamine silver, original magnification X700, X400, X3100, respectively.)

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