Alimentary System

Stomach, Forestomach - Foreign Body

    Narrative
    Stomach, Forestomach - Foreign body in a male F344/N rat from a chronic study. A foreign body (hair) (arrow) has penetrated the epithelium and submucosa.
    Stomach, Forestomach - Foreign body in a male F344/N rat from a chronic study. A foreign body (hair) (arrow) has penetrated the epithelium and submucosa.
    Stomach, Forestomach - Foreign body in a male F344/N rat from a chronic study (higher magnification of Figure 1). A foreign body (hair) (arrow) with associated granulomatous inflammation is present in the submucosa.
    Stomach, Forestomach - Foreign body in a male F344/N rat from a chronic study (higher magnification of Figure 1). A foreign body (hair) (arrow) with associated granulomatous inflammation is present in the submucosa.

    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