Results:While 12 of 16 Cases with leukemia received intrathecal chemotherapy for preventing CNSL,no CNSL occurred to 10 cases of the 12 patients,except 2 cases.

• 结果:16例白血病患者中,12例属预防性,其中10例未发现CNSL,中数生存期42月,生存期最长达66月。