期刊
LEUKEMIA RESEARCH
卷 31, 期 2, 页码 157-162出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.leukres.2006.06.001
关键词
CD7; AML; prognostic factors; normal karyotype
AML patients with normal karyotype comprise the largest subgroup (similar to 50%) but have a highly heterogeneous clinical course. By multiparameter flow cytometry we analyzed CD7 expression along with other phenotypic markers in 185 patients with normal-karyotype AML. CD7 was expressed in 68 (37%) patients. CD7 expression was associated with younger age (P = 0.024) but not with sex, WBC count, or extramedullary disease. Patients expressing CD7 had significant shorter disease free (DFS) and post-remission survivals (PRS) than patients without CD7 (DFS of 12 months versus 42 months, P = 0.005; PRS of 15 months versus 33 months, P = 0.013). We also found that expression of CD34 or HLA-DR was associated with lower CR rate (P = 0.0007 and P = 0.0 19, respectively) but did not affect DFS or OS. Furthermore, as for all AML patients, we demonstrated that in the normal karyotypic subgroup, patients with higher WBC counts (> 50) and older age (> 60 years) had lower CR rate (P = 0.003 and P = 0.0 157, respectively) and shorter OS (P <= 0.00 1 and P = 0.007, respectively). Multivariate, analysis of age. WBC. CD34. HLA-DR and CD7 showed that CD7 expression was an independent risk factor for DFS (P = 0.0 1) and PRS (P = 0.02). (c) 2006 Elsevier Ltd. All fights reserved.
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