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时间:2020-04-23
《细胞免疫表型对确定骨髓增生异常综合征髓系病态的作用-论文.pdf》由会员上传分享,免费在线阅读,更多相关内容在应用文档-天天文库。
1、424LabeledImmunoassays&ClinMed,Aug.2014,Vo1.21,No.4·基础研究·细胞免疫表型对确定骨髓增生异常综合征髓系病态的作用赵弘,张维,孙雪静,万岁桂,苏力,徐娟,孙婉玲(首都医科大学宣武医院血液科,北京100053)摘要:目的探讨细胞免疫表型分析在确定骨髓增生异常综合征(MDS)患者是否存在髓系细胞异常中的价值。方法以具有外周血一系以上血细胞减少、且骨髓原始细胞数<5%的患者为研究对象,以免疫性血小板减少患者为对照,回顾性分析流式细胞术中患者骨髓髓系细胞的免疫表型,观察粒细胞群和单核细胞群SSC强度是否异常,是否存在抗原跨阶段表
2、达、抗原跨系列表达和分化抗原表达异常,并与细胞形态学粒系病态造血的结果进行比较。结果在符合研究条件的255例患者中,有127例确定诊断为低危MDS、95例为非MDS,另有33例为意义未明血细胞减少(ICUS)。在MDS患者中,髓系免疫表型异常的检出率(85.8%)显著高于形态学病态造血检出率(57.5%)(P=0.000);在非MDS患者中,具有髓系免疫表型异常的比例(1.1%)显著低于形态学病态造血比例(4.2%)(P=0.042);ICUS患者虽然形态学无病态造血,但48.5%的患者具有髓系免疫表型异常。结论细胞免疫表型分析对髓系异常的确定,有助于MDS的早期诊断和
3、鉴别诊断。关键词:骨髓增生异常综合征;细胞免疫表型;髓系细胞TheSignificanceofImmunophenotypeontheEvaluationofMyeloidDysplasiainMDSPatientsZHAOHong,ZHANGWei,SUNXue—jing,WANSui—gui,SULi,XUJuan,SUNWan—ling(DepartmentofHematology,XuanwuHospital,CapitalMedicalUniversity,Beijing100053,China)Abstract:ObjectiveToinvestigatet
4、hesignificanceofimmun0phenotypeontheevaluationofmyeloiddysplasiainpatientswithmyelodysplasticsyndromes(MDS).MethodsImmun0phenotypeofmyeloidcellsinbonemarrowofpatientswithcytopenia(S)andblastceilslessthan5%wereretrospectivelyanalyzedbyflowcytometry.Immunophenotypeofpatientswithimmunethrom
5、boytopeniawereselectedasthecontro1.Theabnormalmyeloidimmunophenptypesincludedabnormalsidewardlightscatterintensity,asynchronousantigenexpression,cross—lineageantigenexpressionandabnormalpatternofthedifferentiationantigens.Theresultsofimmun0phenotypewerecomparedwithmorphologyofmyeloidcell
6、s.ResultsAmongthetotal255cases,127patientswerediagnosedaslow—riskMDS,95patientswerenon-MDS,and33patientswereidiopathiccytopeniaofundeterminedsignificance(ICUS).InMDSpatients,therateofabnormalimmunophenotype(85.8%)wassignificantlyhigherthanmorphologicaldysplasia(57.5%)(P=0.000).Innon—MDSp
7、atients,therateofabnormalimmunophenotype(1.1%)wassignificantlylowerthanmorphologicaldysplasia(4.2%)(P=0.042).InICUDpatientswithoutmorphologicaldysplasia,abnormalimmunophenotypecouldbedetectedin48.5%patients.ConclusionAbnormalimmunophen0typeofmyloidcellsishelpfultoearlydia
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