Comments:
Again note cytologically and architecturally normal urothelium lining this papillary frond. Urothelial papilloma is considered to be a benign lesion with infrequent recurrences and exceedingly low risk of development of urothelial carcinoma. Cheng et al. Urothelial papilloma of the bladder. Cancer 1999; 86:2098-101return to Urothelial Papilloma