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老年CD_7^+急性髓系白血病生物学特征及其临床意义

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摘要 目的研究老年CD7抗原阳性急性髓性白血病(CD7+AML)的临床生物学特征。方法对98例初治老年AML进行细胞形态学、免疫表型、多药耐药P糖蛋白(P170)、细胞遗传学核型分析,并采用常规AML方案诱导治疗,判定疗效。结果老年AML中CD7阳性表达率28.57%(28/98),28例CD7+老年AML(M/F,20/8)的FAB分型结果为:M03例、M13例、M2 a6例、M4 a2例、M4b1例、M5 a1例、M5b9例。CD7+老年AML患者外周血白细胞计数(53.80 vs 25.21P=0.001)、原始细胞比例(69.00%vs 41.02%P=0.001)及P-糖蛋白表达显著增高(67.85 vs 28.57P=0.001),肝脏肿大(46.10%vs 23.50%P=0.044)和髓外白血病易发(28.57%vs 2.78%P=0.001),且对常规化疗反应差,预后不良,完全缓解率29.41%(29.41%vs 60.00%P=0.045),无病生存期99.67 d(99.67 vs 270.67P=0.042)。结论老年CD7+AML是一组具有独特生物学特性的亚型,常提示预后不良,建议监测初诊AML患者CD7表达。
出处 《中国老年学杂志》 CAS CSCD 北大核心 2006年第2期176-178,共3页 Chinese Journal of Gerontology
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参考文献13

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