‘Walking-stick ureters’ in ketamine abuse Po-Wei Huang, En Meng, Tai-Lung Cha, Guang-Huan Sun, Dah-Shyong Yu, Sun-Yran Chang Kidney International Volume 80, Issue 8, (October 2011) DOI: 10.1038/ki.2011.242 Copyright © 2011 International Society of Nephrology Terms and Conditions
Figure 1 Retrograde pyelography showing bilateral hydronephrosis and ureteral strictures with segmental beading (arrows) and straightening of both ureters. Kidney International 2011 80, DOI: (10.1038/ki.2011.242) Copyright © 2011 International Society of Nephrology Terms and Conditions