Cystitis glandularis: an unusual cause of ureteral obstruction

Cystitis glandularis is an uncommon proliferative disease of the bladder epithelium. Involvement of the trigone, with infiltration of the submucosal ureter, may result in ureteral obstruction. We present 2 patients with biopsy-proven cystitis glandularis who presented with ureteral obstruction.