Fig. 1From: Syphilis-related rapidly progressive glomerulonephritis: a case presentationa Light microscopy of kidney biopsy showing crescent formation in the glomerulus. Periodic Acid-Schiff stain (400X). b Light microscopy showing tubulointerstitial nephritis with large infiltration of plasma cells and eosinophils. Haematoxylin and Eosin stain (200X) (c) Electron microscopy did not show any significant immune complex deposits (3000X)Back to article page