Quiz Page JUNE 2013 American Journal of Kidney Diseases Badria Al Ghaithi, MD, MRCPCH, Siew-Le Chong, MD, MRCPCH, Reham Al Mardini, MD, Seetha Radhakrishnan, MD, FRCPC, Rohan John, MD, Lisa A. Robinson, MD, FRCPC  American Journal of Kidney Diseases  Volume 61, Issue 6, Pages A22-A25 (June 2013) DOI: 10.1053/j.ajkd.2013.01.029 Copyright © 2013 National Kidney Foundation, Inc. Terms and Conditions

Figure 1 Native kidney biopsy specimen under (A) transmitted and (B) polarized light (hematoxylin and eosin stain; original magnification, ×4). American Journal of Kidney Diseases 2013 61, A22-A25DOI: (10.1053/j.ajkd.2013.01.029) Copyright © 2013 National Kidney Foundation, Inc. Terms and Conditions

Figure 2 Clinical course immediately after kidney transplantation, including serum creatinine levels, tacrolimus levels, diagnostic tests, and therapeutic interventions. The target range for tacrolimus was 10-12 ng/mL. Abbreviations: CT, computed tomography; Mag3, mercapto acetyl triglycine. American Journal of Kidney Diseases 2013 61, A22-A25DOI: (10.1053/j.ajkd.2013.01.029) Copyright © 2013 National Kidney Foundation, Inc. Terms and Conditions

Figure 3 Transplant kidney biopsy specimen under (A) transmitted and (B) polarized light (hematoxylin and eosin stain; original magnification, ×10). (C, D) Higher power (original magnification, ×40) images of crystals under (C) transmitted and (D) polarized light. American Journal of Kidney Diseases 2013 61, A22-A25DOI: (10.1053/j.ajkd.2013.01.029) Copyright © 2013 National Kidney Foundation, Inc. Terms and Conditions