Low-Grade Urothelial Neoplasia

Abstract

This chapter reviews the clinical, histopathologic, and cytologic features of low-grade urothelial neoplasia, including urothelial papilloma, papillary urothelial neoplasm of low malignant potential, and low-grade papillary urothelial carcinomas. An overview of various surgical pathology and cytology classification systems, diagnostic criteria, and common molecular alterations will be reviewed.