Infundibular stenosis in Bardet–Biedl syndrome Bruno Eduardo Pedroso Balbo, Fábio Carvalho Vicentini, Eduardo Mazzucchi, Luiz Fernando Onuchic  Kidney International  Volume 80, Issue 3, (August 2011) DOI: 10.1038/ki.2011.96 Copyright © 2011 International Society of Nephrology Terms and Conditions

Figure 1 Right kidney ascending pyelography. Several points of infundibular stenosis and calyceal dilatation, as well as pelvic dilatation, are observed. Left, the arrow points to severe infundibular stenosis at the middle calyx before the procedure. Right, the arrow indicates reversal of the infundibular stenosis following the holmium:yttrium–aluminum–garnet laser procedure. Kidney International 2011 80, DOI: (10.1038/ki.2011.96) Copyright © 2011 International Society of Nephrology Terms and Conditions

Figure 2 Endoscopic image of stenotic infundibulum in the middle calyx of the right kidney. Left, before the procedure. Right, after the holmium:yttrium–aluminum–garnet laser procedure. Kidney International 2011 80, DOI: (10.1038/ki.2011.96) Copyright © 2011 International Society of Nephrology Terms and Conditions