Urinary System

Urinary Bladder, Urothelium - Hyperplasia

    Narrative
    Urothelial hyperplasia (simple) from a male F344/N rat in a chronic study.
    Urothelial hyperplasia (simple) from a male F344/N rat in a chronic study.
    Urothelial hyperplasia (simple) with minimal inflammatory infiltration of epithelium and submucosa, from a female Harlan Sprague-Dawley rat in a chronic study.
    Urothelial hyperplasia (simple) with minimal inflammatory infiltration of epithelium and submucosa, from a female Harlan Sprague-Dawley rat in a chronic study.
    Urothelial hyperplasia (nodular) from a male F344/N rat in a chronic study.
    Urothelial hyperplasia (nodular) from a male F344/N rat in a chronic study.
    Urothelial hyperplasia with little to no inflammation, from a male TG/RASH2/CB6F1 mouse.
    Urothelial hyperplasia with little to no inflammation, from a male TG/RASH2/CB6F1 mouse.

    Authors

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

    Abraham Nyska,  DVM, Diplomate ECVP, Fellow IATP
    Expert in Toxicologic Pathology
    Visiting Full Professor of Pathology
    Sackler School of Medicine, Tel Aviv University
    Timrat Israel

    Reviewers

    Samuel M Cohen, PHD, MD
    Professor
    Havlik-Wall Professor of Oncology
    Director of Pathology Residency Program
    Nebraska Medical Center
    Omaha, NE

    David E. Malarkey DVM, PhD, DACVP, FIATP
    Head, National Toxicology Program Pathology Group
    Cellular and Molecular Pathology Branch
    Division of the National Toxicology Program
    National Institute of Environmental Health Sciences
    Research Triangle Park, NC