Improvement in the Treatment of Childhood Cancer: Analysis of Survival Data from the National Children's Hospital (1965-1987) |
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Authors: | Tsunematsu, Yukiko Koide, Ryo Kobayashi, Noboru |
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Affiliation: | Cancer Registry Group, National Children's Hospital 3-35-31, Taishido, Setagaya-ku, Tokyo 1541 |
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Abstract: | ![]() Developments in the treatment of childhood cancer have beenevaluated in patients who had been treated in the National Children'sHospital from 1965 to 1987. The total number of patients was867, of which leukemia accounted for 376, malignant lymphoma61, neuroblastoma 174, Wilms' tumor 55, yolk sac tumor 29, rhabdomyosarcoma36 and hepatoblastoma 30. Patients were divided into three timeintervals: the 1960s, 1970s and 1980s. A marked improvementin five-year survival was recognized in Wilms' tumor and yolksac tumor, amounting to 80%, followed by rhabdomyosarcoma, acutelymphoblastic leukemia and malignant lymphoma. There was noimprovement in patients with acute non-lymphoblastic leukemia,neuroblastoma and hepatoblastoma. Prognostic factors for neuroblastomawere further analyzed, and the age of onset and stage of diseasewere found to have remained constant for 23 years. Factors relatingto the improvement of survival were discussed. |
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Keywords: | Survival rate Childhood cancer |
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