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儿童急性淋巴细胞白血病免疫分型特点分析

Journal of Shanxi Medical College for Continuing Education(2016)

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Abstract
目的:对45例儿童急性淋巴细胞性白血病(acute lymphoblastic leukemia,ALL)的各抗原表达规律进行总结分析.方法:采用流式细胞术直接或间接免疫荧光法检测45例儿童ALL的免疫表型.结果:45例儿童ALL中,B-ALL的患儿明显比T-ALL的患儿多,比率分别为88.8%与11.1%.B-ALL中CD19与CD22表达率分别为100%、93.3%,敏感性最高.有51.1%的患儿为伴有髓系相关抗原表达的ALL(My+-ALL),主要表达的髓系抗原分別为CD13(20/45)、CD15(8/45)和CD33(6/45).结论:免疫分型是诊断ALL的重要手段,能夠协同形态学为临床确定诊断、合理治疗、判断预后提供重要依据.
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