Quiz Page March 2007 American Journal of Kidney Diseases   American Journal of Kidney Diseases  Volume 49, Issue 3, Pages A49-A51 (March 2007) DOI: 10.1053/j.ajkd.2006.11.029 Copyright © 2007 Terms and Conditions

Figure 1 Intravenous pyelogram of a 6-year-old boy presenting with painless gross hematuria. American Journal of Kidney Diseases 2007 49, A49-A51DOI: (10.1053/j.ajkd.2006.11.029) Copyright © 2007 Terms and Conditions

Figure 2 Intravenous pyelogram shows left side duplex collecting system. A stone is seen on the right side (arrow). American Journal of Kidney Diseases 2007 49, A49-A51DOI: (10.1053/j.ajkd.2006.11.029) Copyright © 2007 Terms and Conditions

Figure 3 KUB (kidney, ureter, bladder) of the same patient before the injection of contrast medium. A stone of 1 cm size is seen on the right kidney. American Journal of Kidney Diseases 2007 49, A49-A51DOI: (10.1053/j.ajkd.2006.11.029) Copyright © 2007 Terms and Conditions

Figure 4 Intravenous pyelogram shows that the calyceal system opens anteriorly on the right side. American Journal of Kidney Diseases 2007 49, A49-A51DOI: (10.1053/j.ajkd.2006.11.029) Copyright © 2007 Terms and Conditions

Figure 5 Ultrasound showing a horseshoe kidney with parenchyma crossing the midline over the aorta. American Journal of Kidney Diseases 2007 49, A49-A51DOI: (10.1053/j.ajkd.2006.11.029) Copyright © 2007 Terms and Conditions