Fig. 1From: An association between membranoproliferative glomerulonephritis and metastatic colorectal carcinoma: a case report a Periodic acid–Schiff stain, 100× magnification, showing features of membranoproliferative glomerulonephritis type 1. b Methenamine silver stain, 200× magnification, highlighting double contour formation in capillary loops. Mesangial proliferation and segmental endocapillary proliferation can also be seenBack to article page