Alimentary System

Tongue, Mucosa - Fibroepithelial Polyp

    Narrative
    Tongue, Mucosa - Fibroepithelial polyp in a male B6C3F1 mouse from a chronic study. There is a small polypoid mass at the lateral margin of the tongue (arrow).
    Tongue, Mucosa - Fibroepithelial polyp in a male B6C3F1 mouse from a chronic study (higher magnification of Figure 1). The polyp is composed of fibrous connective tissue, which is mineralized in this case, and squamous epithelium.

    Authors:

    Linda H. Kooistra, DVM, PhD, DACVP
    Pathologist
    Charles River 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:

    Joel R. Leininger, DVM, PhD
    Senior Pathologist
    MedImmune
    Washington, DC

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