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    Childhood Central Nervous System Embryonal Tumors Treatment (PDQ®): Treatment - Health Professional Information [NCI] - Stage Information for CNS Embryonal Tumors

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    Staging of Pineoblastoma

    Dissemination at the time of diagnosis occurs in 10% to 30% of patients.[7] Because of the location of the tumor, total resections are uncommon, and most patients have only a biopsy or a subtotal resection before postsurgical treatment.[7,8] Staging for children with pineoblastomas is the same as that performed for children with medulloblastoma; however, the patients are not assigned to average-risk and high-risk subgroups for treatment purposes (refer to the Staging of Medulloblastoma section of this summary for more information).[7]

    References:

    1. Fouladi M, Gajjar A, Boyett JM, et al.: Comparison of CSF cytology and spinal magnetic resonance imaging in the detection of leptomeningeal disease in pediatric medulloblastoma or primitive neuroectodermal tumor. J Clin Oncol 17 (10): 3234-7, 1999.
    2. Zeltzer PM, Boyett JM, Finlay JL, et al.: Metastasis stage, adjuvant treatment, and residual tumor are prognostic factors for medulloblastoma in children: conclusions from the Children's Cancer Group 921 randomized phase III study. J Clin Oncol 17 (3): 832-45, 1999.
    3. Yao MS, Mehta MP, Boyett JM, et al.: The effect of M-stage on patterns of failure in posterior fossa primitive neuroectodermal tumors treated on CCG-921: a phase III study in a high-risk patient population. Int J Radiat Oncol Biol Phys 38 (3): 469-76, 1997.
    4. Taylor RE, Bailey CC, Robinson K, et al.: Results of a randomized study of preradiation chemotherapy versus radiotherapy alone for nonmetastatic medulloblastoma: The International Society of Paediatric Oncology/United Kingdom Children's Cancer Study Group PNET-3 Study. J Clin Oncol 21 (8): 1581-91, 2003.
    5. Gerber NU, von Hoff K, von Bueren AO, et al.: Outcome of 11 children with ependymoblastoma treated within the prospective HIT-trials between 1991 and 2006. J Neurooncol 102 (3): 459-69, 2011.
    6. Müller K, Zwiener I, Welker H, et al.: Curative treatment for central nervous system medulloepithelioma despite residual disease after resection. Report of two cases treated according to the GPHO Protocol HIT 2000 and review of the literature. Strahlenther Onkol 187 (11): 757-62, 2011.
    7. Jakacki RI, Zeltzer PM, Boyett JM, et al.: Survival and prognostic factors following radiation and/or chemotherapy for primitive neuroectodermal tumors of the pineal region in infants and children: a report of the Childrens Cancer Group. J Clin Oncol 13 (6): 1377-83, 1995.
    8. Timmermann B, Kortmann RD, Kühl J, et al.: Role of radiotherapy in the treatment of supratentorial primitive neuroectodermal tumors in childhood: results of the prospective German brain tumor trials HIT 88/89 and 91. J Clin Oncol 20 (3): 842-9, 2002.

    This information is produced and provided by the National Cancer Institute (NCI). The information in this topic may have changed since it was written. For the most current information, contact the National Cancer Institute via the Internet web site at http:// cancer .gov or call 1-800-4-CANCER.

    WebMD Public Information from the National Cancer Institute

    Last Updated: 8/, 015
    This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
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