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Ependymoma
Ependymomas arise from cells lining the passageways in the brain that produce and store
the cerebrospinal fluid or CSF. (CSF is a fluid that bathes the brain and spinal cord.)
These tumors are classified as either supratentorial (in the top part of the head) or
infratentorial (in the back of the head). In children, the majority of ependymomas occur
as infratentorial tumors arising in or around the fluid-filled fourth ventricle. |