Alimentary System

Stomach, Forestomach - Cyst

    Narrative
    Stomach, Forestomach - Cyst in a male B6C3F1 mouse from a chronic study. A keratin-filled cyst is present in the submucosa of the forestomach.
    Stomach, Forestomach - Cyst in a female F344/N rat from a chronic study. A keratin-filled cyst is present in the submucosa at the junction of the forestomach and glandular stomach.
    Stomach, Forestomach - Cyst in a female F344/N rat from a chronic study (higher magnification of Figure 2). The wall of the cyst exhibits normal cellular maturation.

    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