急性白血病患者出现脑膜或中枢神经系统被侵犯的临床表现近年来日渐多见,此与化学治疗的发展和支持疗法的改进使本病患者尤其是急性淋巴细胞白血病(下称急淋)儿童的生存期延长有关。 The clinical manifestations of invasive meningeal or central nervous system in patients with acute leukemia have become increasingly common in recent years. The development of chemotherapeutics and the improvement of supportive care have led to the survival of children with this disease, especially acute lymphoblastic leukemia Extension of the period.