Urinary System

Kidney, Urothelium - Hyperplasia

    Narrative
    Kidney, Urothelium - Hyperplasia in a male F344/N rat from a chronic study. A focus of urothelial hyperplasia is present in the renal pelvis adjacent to the renal papilla.
    Kidney, Urothelium - Hyperplasia in a female F344/N rat from a chronic study. Urothelial hyperplasia in the renal pelvis is associated with inflammation.

    Authors 

    John Curtis Seely, DVM, DACVP
    Senior Pathologist
    Experimental Pathology Laboratories, Inc.
    Research Triangle Park, NC

    Amy Brix, DVM, PhD, DACVP
    Senior Pathologist
    Experimental Pathology Laboratories, Inc.
    Research Triangle Park, NC

    Reviewers

    Kendall S. Frazier, DVM, PhD, DACVP, DABT
    Director, Cellular and Molecular Pathology, Safety Assessment
    GlaxoSmithKline
    King of Prussia, PA

    Gordon C. Hard, BSc, BVSc, PhD, DSc, FRCPath, FRCVS, FAToxSci, DACVP
    Expert Consultant
    Tairua, New Zealand

    Susan A. Elmore, MS, DVM, DACVP, DABT, FIATP
    Staff Scientist, NTP Pathologist
    NTP Pathology Group
    National Toxicology Program
    National Institute of Environmental Health Sciences
    Research Triangle Park, NC