Crossing vessels are not important in the etiology of ureteropelvic junction obstruction
Jonathan D Kaye, Michael C Ost, Evan R Eisenberg and Arthur D Smith*
Correspondence *Department of Urology, Long Island Jewish Medical Center, 270-05 76th Avenue, New Hyde Park, New York, NY 11040, USA
Email asmith@lij.edu
With the popularization of laparoscopic and robotic pyeloplasty has come a resurgence in the debate over the role of crossing vessels in the pathogenesis of ureteropelvic junction obstruction. In this Viewpoint, the authors examine the evidence and argue that crossing vessels do not cause ureteropelvic junction obstruction or compromise the success of endourologic procedures.
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