Kowalczyk Jerzy R, Dudkiewicz Ewa, Balwierz Walentyna, Bogusławska-Jaworska Janina, Rokicka-Milewska Roma
Clinic of Pediatric Hematology and Oncology, Medical University of Lublin, Poland.
Med Sci Monit. 2002 Aug;8(8):CR587-90.
The annual rate for childhood cancers in developed countries amounts to 105-130 new cases per 1 million children. The Polish population aged 0-17 years is estimated at approximately 10 million children and adolescents, thus ca. 1100-1300 new cases can be expected every year. In 1995, we started a national childhood cancer registry.
MATERIAL/METHODS: Information on the new diagnoses of childhood cancers was collected in 11 regional centers and submitted to the national center in Lublin. All data were verified carefully and standardized incidence rates were calculated.
In 1995, we registered 1028 newly diagnosed malignant neoplasms, in 1996 and 1997 - 1036 cases, in 1998 - 1007, and in 1999 - 1158 new cases. The estimated incidence rates were: 102.4; 109.5; 111.9; 111.6 and 118.3 per 1 million children, respectively. The most frequent childhood cancers include leukemia, which accounts for 28% of cancer cases, lymphoma (14.3%) and C. N. S. tumors (16.3%).
Neoplasms of the hematopoietic system (leukemias and lymphomas) account for about 42% of all childhood cancers. Malignant lymphomas, bone tumors and germinal tumors are more frequently diagnosed in Poland, but the incidence of central nervous system tumors is lower than in other countries.
发达国家儿童癌症的年发病率为每100万儿童中有105 - 130例新发病例。波兰0 - 17岁的人口估计约有1000万儿童和青少年，因此每年预计约有1100 - 1300例新发病例。1995年，我们启动了一个全国儿童癌症登记处。
材料/方法：在11个地区中心收集儿童癌症新诊断信息，并提交给位于卢布林的国家中心。所有数据都经过仔细核实，并计算标准化发病率。
1995年，我们登记了1028例新诊断的恶性肿瘤，1996年和1997年为1036例，1998年为1007例，1999年为1158例新病例。估计发病率分别为每100万儿童102.4、109.5、111.9、111.6和118.3例。最常见的儿童癌症包括白血病，占癌症病例的28%，淋巴瘤（14.3%）和中枢神经系统肿瘤（16.3%）。
造血系统肿瘤（白血病和淋巴瘤）约占所有儿童癌症的42%。在波兰，恶性淋巴瘤、骨肿瘤和生殖细胞瘤的诊断更为频繁，但中枢神经系统肿瘤的发病率低于其他国家。
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