5风险评估对病人的复发风险进行评估以确保只有高危病例才被施予极强治疗。研究表明采用成人方案治疗的青少年病人,其效果要显著差于使用儿童方案治疗的同年龄组。5.1临床因素诊断时年龄对预后影响很大(图2)。St.Jude儿童医院1991~2006年间先后有847名急淋白血病患儿被纳入四个 5 Risk Assessment The patient’s risk of recurrence is assessed to ensure that only high-risk cases are treated with extreme treatment. Studies show that adolescents treated with adult regimens are significantly worse than those of the same age group treated with the children’s regimen. 5.1 Clinical factors Age at diagnosis has a great impact on prognosis (Figure 2). From 1991 to 2006, there were 847 children with acute leukemia in St. Jude Children’s Hospital