There is no uniformly accepted staging system for childhood brain tumors. These tumors are classified and treated based on their histology and location within the brain (Table 1).Table 1. The Staging and Treatment of Newly Diagnosed or Recurrent Tumors According to Type of Tumor or Pathologic SubtypeTumor TypePathologic SubtypeStaging and Treatment of Newly Diagnosed and Recurrent DiseaseCNS = central nervous system.Astrocytomas and Other Tumors of Glial Origin –Low-Grade AstrocytomasDiffuse fibrillary astrocytomaChildhood Astrocytomas TreatmentGemistocytic astrocytomaOligoastrocytomaOligodendrogliomaPilocytic astrocytomaPilomyxoid astrocytomaPleomorphic xanthoastrocytomaProtoplasmic astrocytomaSubependymal giant cell astrocytoma–High-Grade AstrocytomasAnaplastic astrocytomaChildhood Astrocytomas TreatmentAnaplastic oligoastrocytomaAnaplastic oligodendrogliomaGiant cell glioblastomaGlioblastomaGliomatosis cerebriGliosarcoma Brain Stem
Recurrent childhood ependymoma is a tumor that has recurred (come back) after it has been treated. Childhood ependymoma commonly recurs, usually at the original cancer site. The tumor may come back as long as 15 years or more after initial treatment.
Purpose of This SummaryThis PDQ cancer information summary for health professionals provides comprehensive, peer-reviewed, evidence-based information about the treatment of childhood astrocytomas. It is intended as a resource to inform and assist clinicians who care for cancer patients. It does not provide formal guidelines or recommendations for making health care decisions.Reviewers and UpdatesThis summary is reviewed regularly and updated as necessary by the PDQ Pediatric Treatment Editorial Board, which is editorially independent of the National Cancer Institute (NCI). The summary reflects an independent review of the literature and does not represent a policy statement of NCI or the National Institutes of Health (NIH). Board members review recently published articles each month to determine whether an article should:be discussed at a meeting,be cited with text, orreplace or update an existing article that is already cited.Changes to the summaries are made through a consensus