B lineage acute lymphoblastic leukemia (ALL) is the most common type of hematopoietic malignancies in children. The current primary treatment of childhood ALL is combined chemotherapy.

• 急性B细胞性白血病(B系ALL)是儿童血液系统最常见的恶性肿瘤，是严重威胁儿童健康的顽症，目前主要的治疗手段是抗肿瘤药物的联合化疗。