Paraprotein ‘zippers’ Vasiliki Bravou, Adam G. McLean, Marina Loucaidou, Tom D. Cairns, Herbert T. Cook, Candice A. Roufosse  Kidney International  Volume 80, Issue 1, (July 2011) DOI: 10.1038/ki.2011.54 Copyright © 2011 International Society of Nephrology Terms and Conditions

Figure 1 Hematoxylin and eosin stain of renal biopsy showing a glomerulus with endocapillary proliferation with neutrophils and intraluminal thrombi (original magnification × 400). Kidney International 2011 80, DOI: (10.1038/ki.2011.54) Copyright © 2011 International Society of Nephrology Terms and Conditions

Figure 2 Electron microscopy of renal biopsy showing subendothelial electron-dense material, which on high magnification (inset) shows a paracrystalline non-microtubular ‘zipper-like’ structure with a periodicity of approximately 21nm (original magnification × 5000; inset × 200,000). Kidney International 2011 80, DOI: (10.1038/ki.2011.54) Copyright © 2011 International Society of Nephrology Terms and Conditions