Children's Cancer Foundation

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Glioma


Any tumour of non-nervous cells (glia) in the nervous system.  The term is sometimes also used for all tumours that arise in the central nervous system, including astrocytomas, oligodendrogliomas, medulloblastomas, and ependymomas.  Tumours of low grade malignancy produce symptoms by pressure on surrounding structures; those of high-grade malignancy may be invasive.