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Medulloblastoma

Definition(s)

A malignant tumor of the central nervous system arising in the cerebellum especially in children.: Definition from: Merriam-Webster's Medical Dictionary by Merriam-Webster Inc.
A malignant brain tumor that begins in the lower part of the brain and that can spread to the spine or to other parts of the body. Medulloblastomas are a type of primitive neuroectodermal tumor (PNET).: Definition from: National Cancer Institute dictionary


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