Immune System

Thymus - Cyst

    Narrative
    Thymus - Cyst, Multiple in a female F344/N rat from a chronic study. Multiple cysts (arrows) are present within the thymus.
    Thymus - Cyst, Multiple in a female F344/N rat from a chronic study (higher magnification of Figure 1). Thymic cyst is lined by cuboidal to squamous epithelium (arrow) and contains homogeneous eosinophilic material (arrowhead).

    Authors

    Kristen Hobbie, DVM, PhD
    Principal Pathologist
    Huntingdon Life Sciences
    Peterborough, UK

    Susan A. Elmore, MS, DVM, DACVP, DABT, FIATP
    Staff Scientist, NTP Pathologist
    NTP Pathology Group
    National Toxicology Program
    National Institute of Environmental Health Sciences
    Research Triangle Park, NC

    Holly M. Kolenda-Roberts, DVM, PhD, DACVP
    Veterinary Pathologist
    SNBL USA
    Everett, WA

    Reviewers

    Jerrold M. Ward, DVM, PhD, DACVP, FIATP
    Veterinary Pathologist
    Global VetPathology
    Montgomery Village, MD

    Robert R. Maronpot, DVM, MS, MPH, DACVP, DABT, FIATP
    Senior Pathologist
    Experimental Pathology Laboratories, Inc.
    Research Triangle Park, NC