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Brain Cancer Health Center

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Childhood Ependymoma Treatment (PDQ®): Treatment - Health Professional Information [NCI] - Stage Information for Childhood Ependymoma

Although there is no formal staging system, ependymomas can be divided into supratentorial, infratentorial, and spinal tumors. Approximately 30% of childhood ependymomas arise in supratentorial regions of the brain and 70% arise in the posterior fossa.[1] They usually originate in the ependymal linings of ventricles or central canal or ventriculus terminalis of the spinal cord and have access to the cerebrospinal fluid. Therefore, these tumors may spread throughout the neuraxis, although dissemination is noted in less than 10% of patients with Grade II and Grade III ependymomas. Myxopapillary ependymomas are more likely to disseminate to the nervous system early in the course of illness.


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  1. Villano JL, Parker CK, Dolecek TA: Descriptive epidemiology of ependymal tumours in the United States. Br J Cancer 108 (11): 2367-71, 2013.

    This information is produced and provided by the National Cancer Institute (NCI). The information in this topic may have changed since it was written. For the most current information, contact the National Cancer Institute via the Internet web site at http:// cancer .gov or call 1-800-4-CANCER.

    WebMD Public Information from the National Cancer Institute

    Last Updated: 8/, 015
    This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
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