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NCI Dictionary of Cancer Terms


ependymoma  listen  (eh-PEN-dih-MOH-muh)

  A type of brain tumor that begins in cells lining the spinal cord central canal (fluid-filled space down the center) or the ventricles (fluid-filled spaces of the brain). Ependymomas may also form in the choroid plexus (tissue in the ventricles that makes cerebrospinal fluid). Also called ependymal tumor.