Nervous System

Brain - Epidermoid Cyst

    Narrative
    Brain, cingulate cortex-incidental epidermoid cyst (arrowhead) in a male B6C3F1 mouse from a chronic study.
    Brain, cingulate cortex-incidental epidermoid cyst (arrowhead) in a male B6C3F1 mouse from a chronic study.
    Lumbar spinal cord-incidental epidermoid cyst (arrow) in a male Sprague-Dawley rat from a chronic T-62 study., basic_html
    Lumbar spinal cord-incidental epidermoid cyst (arrow) in a male Sprague-Dawley rat from a chronic T-62 study., basic_html
    Cortex, sub-leptomeningeal-incidental epidermoid cyst (arrow) in a male F344/N rat from a chronic study.
    Cortex, sub-leptomeningeal-incidental epidermoid cyst (arrow) in a male F344/N rat from a chronic study.
    Brain, hippocampus-incidental epidermoid cyst (arrow) in a male F344/N rat from a chronic study.
    Brain, hippocampus-incidental epidermoid cyst (arrow) in a male F344/N rat from a chronic study.
    Spinal radicle-incidental epidermoid cyst in a female F344 rat.
    Spinal radicle-incidental epidermoid cyst in a female F344 rat.

    Authors 

    Peter Little, DVM, MS, PhD, DACVP
    Neuropathology Consultant
    Experimental Pathology Laboratories, Inc.  
    Research Triangle Park, NC

    Deepa B. Rao, BVSc, MS, PhD, DABT, DACVP
    NTP Pathologist (Contractor)
    Integrated Laboratory Systems, Inc.
    Research Triangle Park, NC

    Reviewers

    James P. Morrison, DVM, DACVP
    Scientific Director
    Charles River Laboratories, Pathology Associates
    Research Triangle Park, NC

    Robert C. Sills, DVM, PhD, FIATP
    Chief, Cellular and Molecular Pathology Branch
    National Toxicology Program
    National Institute of Environmental Health Sciences
    Research Triangle Park, NC