Alimentary System

Tongue - Squamous Cyst

    Narrative
    Tongue - Squamous cyst in a male F344/N rat from a subchronic study. A cyst filled with keratin (arrow) is present in the tongue.
    Tongue - Squamous cyst in a male F344/N rat from a subchronic study (higher magnification of Figure 1). The cyst is lined by flattened squamous epithelium (arrow).

    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