恶性肿瘤虽然小儿较成人少见,但在小儿病死原因中已占显著的地位,因此了解其治疗的目前前进展概况,很有必要.总的发展趋势一、从外科治疗到联合治疗小儿恶性肿瘤在一个很长时期,都被认为死亡率高,预后很差,大多在未予治 Although malignant tumors are less common in adults than in adults, they have already occupied a prominent place in the causes of childhood deaths. Therefore, it is necessary to understand the current advances in the treatment of these diseases. The general development trend is one, from surgical treatment to combined treatment of pediatric malignancies. For a long time, it was considered that the mortality rate was high and the prognosis was poor. Most of them were not treated.