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- W2048840900 abstract "BACKGROUND Brain tumors are the most common disease group of solid tumors in childhood, and children with brain tumors have a relatively poor survival rate. Epidemiologic data from a population-based cancer registry provide the necessary information to obtain a full picture of the frequency of this disease, which is a great challenge in pediatric oncology. METHODS The German Childhood Cancer Registry (GCCR) is a population-based registry. The level of completeness of patient registration is 95%, but it is somewhat lower for patients with brain tumors. More than 300 children with newly diagnosed brain tumors are reported every year. Analyses of GCCR data are performed according to the International Classification of Childhood Cancer and the recently published World Health Organization classification of tumors of the nervous system. In addition, incidence rates of childhood brain tumors in Germany are compared with those of other countries, as published by the International Agency for Research on Cancer. RESULTS In the years 1990–1999, a total of 3268 brain tumors were observed (excluding intracranial and intraspinal germ cell tumors). The respective incidence rate for children age < 15 years was 2.6 per 100,000 children and lies between the rates from other countries, which range between 1.7 and 4.1 per 100,000 children. The most common brain tumors were astrocytomas (41.7%), medulloblastomas (18.1%), ependymomas (10.4%), supratentorial primative neuroectodermal tumors (PNETs; 6.7%), and craniopharyngiomas (4.4%). They were located mainly in the cerebellum (27.9%) and the cerebrum (21.2%). The 5-year survival rate for all brain tumors was 64%, with the poorest prognosis for children with PNET. CONCLUSIONS The large data base of the GCCR made it possible to present representative data on patients with childhood tumors of the central nervous system in Germany. The data quality was high, not least because of the strong cooperation with corresponding clinical trials. However, for children with central nervous system tumors, the ascertainment of newly diagnosed patients needs further improvement. Cancer 2001;92:3155–64. © 2001 American Cancer Society." @default.
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- W2048840900 date "2001-01-01" @default.
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- W2048840900 title "Population-based epidemiologic data on brain tumors in German children" @default.
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- W2048840900 doi "https://doi.org/10.1002/1097-0142(20011215)92:12<3155::aid-cncr10158>3.0.co;2-c" @default.
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