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378例白血病患者染色体核型分析及其临床意义 被引量:5

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摘要 目的探讨白血病患者染色体改变及其在诊断、治疗及预后判断中的意义。方法采用短期培养法制备骨髓细胞染色体标本,以R显带技术用显微镜对240例急性白血病(AL)患者、138例慢性粒细胞白血病患者(CML)进行常规染色体核型分析,每例患者分析10~20个中期分裂细胞,并动态观察部分患者病程进展中染色体核型的变化。结果 240例AL中核型异常182例,占75.83%,其中单纯数目异常占20.33%(37/182),以多倍体和非整倍体为主;结构异常113例,占62.08%,主要为特异性染色体重排且与分型有关。138例CML患者中Ph染色体阳性(Ph+)127例,占92.03%;其中90.55%(115/127)为典型易位,9.45%(12/127)为变异易位。127例Ph+患者中22例(13.39%)出现额外染色体,加速期和急变期额外染色体的检出率明显高于慢性期(P<0.05)。结论染色体核型分析对白血病的诊断、鉴别诊断、治疗及预后判断具有重要意义。
出处 《山东医药》 CAS 2012年第37期56-58,共3页 Shandong Medical Journal
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