Quiz Page June 2009 American Journal of Kidney Diseases   American Journal of Kidney Diseases  Volume 53, Issue 6, Pages A37-A39 (June 2009) DOI: 10.1053/j.ajkd.2008.12.027 Copyright © 2009 National Kidney Foundation, Inc. Terms and Conditions

Figure 1 High-power view of periodic acid–Schiff stain (original magnification ×200). American Journal of Kidney Diseases 2009 53, A37-A39DOI: (10.1053/j.ajkd.2008.12.027) Copyright © 2009 National Kidney Foundation, Inc. Terms and Conditions

Figure 2 High-power view of von Kossa stain with polarized light (original magnification ×400). American Journal of Kidney Diseases 2009 53, A37-A39DOI: (10.1053/j.ajkd.2008.12.027) Copyright © 2009 National Kidney Foundation, Inc. Terms and Conditions

Figure 3 Electron micrograph. American Journal of Kidney Diseases 2009 53, A37-A39DOI: (10.1053/j.ajkd.2008.12.027) Copyright © 2009 National Kidney Foundation, Inc. Terms and Conditions