Ureteral Diverticula

Blind-Ending Branch of Bifid Ureter

“…Lack of embryological evidence [13,16] has led many authors and ourselves to question whether we are really dealing with two different entities or simply the progres sive distension of the blind branch giving it a 'diverticu lar' appearance [5,24,29,30].…”

Blind-Ending Bifid Ureter with an Intravesical Ectopic Orifice

“…In the case of two ureteral orifices, multiple bud ding of the Wolffian duct leads to duplex ureters [9,12,14], For unclear reasons, there seems to be no union of one ureteral bud with the metanephric blastema in utero, resulting in a blind bifid ureter or a blind duplex ureter. In the past some short blind-end ing duplications have been classified as ureteral diverticula causing considerable confusion in terminology [4], but most of these cases could be defined as blind-ending ureters rather than diverticula [3,9,12], …”