80例急性单核细胞白血病患者的临床与遗传学分析

Zhonghua yi xue yi chuan xue za zhi = Zhonghua yixue yichuanxue zazhi = Chinese journal of medical genetics(2014)

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Abstract
目的 研究急性单核细胞白血病(acute monocytic leukemia,AML,M5)的细胞遗传学、临床特征与预后的相互关系.方法 采用24 h短期骨髓直接培养法制备染色体标本,用R显带技术对80例M5进行核型分析,同时应用荧光原位杂交对所有患者进行MLL基因及P53基因检测.结果 53.75%(43/80)的M5患者伴有异常核型,28.75%(23/80)的患者具有11号染色体相关异常,25.00%(20/80)为染色体数目异常及其他异常;30.00%(24/80)患者伴有MLL基因重排,21.25%(17/80)患者伴随P53基因缺失.结论 11q23是M5中最为常见的染色体核型异常,伴此种核型异常的患者预后不良.伴遗传学异常的患者P53基因缺失率明显高于遗传学正常患者(P<0.05).
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Key words
Acute monocytic leukemia,Cytogenetics,Karyotype,Fluorescence in situ hybridization,Prognosis
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