期刊
LEUKEMIA & LYMPHOMA
卷 56, 期 5, 页码 1392-1397出版社
TAYLOR & FRANCIS LTD
DOI: 10.3109/10428194.2014.953148
关键词
Acute myeloid leukemia; central nervous system; risk factors; cytarabine; lumbar puncture
资金
- National Institutes of Health through the M. D. Anderson Cancer Center's Support Grant [P30 CA016672]
It is thought that the low incidence of central nervous system (CNS) involvement in acute myeloid leukemia (AML) does not justify routine CNS prophylaxis, as high-dose cytarabine eliminates CNS disease. To investigate whether chemotherapy that does not include high-dose cytarabine increases the risk of CNS involvement, the medical records of 1412 newly diagnosed patients with AML were reviewed. In 1370 patients, lumbar puncture (LP) was performed only if clinically indicated, and CNS disease was detected in 45 (3.3%) patients. Another 42 patients underwent routine LP as part of an investigational protocol, and in eight (19%) CNS disease was detected (p < 0.0001). Risk factors included high lactate dehydrogenase, African-American ethnicity and young age. Patients receiving high-dose cytarabine and those who did not had similar rates of CNS involvement. Disease-free survival (DFS) and overall survival were shorter in patients with CNS involvement. It remains to be determined whether routine CNS prophylaxis would improve DFS.
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