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P. malariae-associated glomerulonephritis characterized by a membranoproliferative pattern with diffuse mesangial proliferation, irregular thickening of the capillary walls, swelling of endothelial cells, and influx of inflammatory cells. Periodic acid-Schiff staining. Original magnification, ×400. Courtesy of D. Droz, Hopital Necker, Paris, France.
