Megaureters of nonfunctioning renal segments in a duplex system are co
mmonly available for use in reconstructive procedures secondary to hig
h-grade reflux, ectopic ureter, ectopic ureterocele, or obstructive me
gaureter. The use of megaureters subtending a nonfunctioning lower pol
e renal segment for bladder augmentation in 2 patients is reported.