小儿肿瘤的发病率较成人为低,但近年来有逐渐增加的趋势,所以应予以重视。1958年徐英含氏从278例儿童死因分析中发现死于恶性肿瘤者占总数的1.43%,而1962年在我组384例儿童死因分析中则见死于恶性肿瘤病者占5.72%,而且有逐年增加的现象。国外统计亦发现恶性肿瘤在儿童死因中逐步升级,达第二位或第 The incidence of pediatric cancer is lower than that of adults, but it has gradually increased in recent years. Therefore, attention should be paid to it. In 1958, Xu Ying’s analysis found that 278 children died of malignant tumors, accounting for 1.43% of the total. In 1962, in the 384 children’s cause of death analysis in our group, 5.72% of patients died of malignant tumors. There is an increasing phenomenon every year. Foreign statistics also found that malignant tumors gradually escalated in the cause of death of children, reaching the second or the highest