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1、实用医学影像杂志2017,05(18),383-385DOI:10.16106/j.cnki.cn14-1281/r.2017.05.006多层螺旋CT低剂量扫描技术在儿童急性阑尾炎中的应用武林杨复宾苏州大擎附属儿童医院放射科导出/参考文献关注分享收藏打印摘要：目的探讨分析螺旋CT低剂量扫描技术在儿童急性阑尾炎诊断中的应用价值。方法选取我院拟诊为急性阑尾炎的患儿60例，使用随机数字法平均分为A组（低剂量扫描）及B组（常规剂量扫描），将2组扫描后诊断结果与手术病理诊断结果进行对比分析，计算2组的敏感性、特异性、阴性预测值、阳性预测值及准确度。结果2组X射线剂量差异明显（
2、P<0.05）,各项图像指标及图像质量无明显差异（P〉0.05）。2组结果与手术病理诊断结果相比，A组CT诊断敏感性、阳性预测值、阴性预测值、特异性及准确度分别为97.1%、100%、84.3%、100%、97.0%;B组CT诊断敏感性、阳性预测值、阴性预测值、特异性及准确度分别为97.3%、100%、83.3%、100%、97.0%,组间和比差异无统计学意义（P〉0.05）。结论运用64排螺旋CT低剂量扫描技术诊断儿童急性阑尾炎具有简便有效、辐射小丑准确率高等优点，值得临床推广。关键词：阑尾炎;体层摄影术，螺旋计算机;儿童;作者简介：杨复宾，Email:yangfu
3、binl23@sina.com收稿日期：2017-05-12TheapplicationofspiralCTlow-dosescanningtechniqueinacuteappendicitisinchildrenWuLinYangFubingDepartmentofRadiology,Children'sHospitalofSoochowUnivercity;Abstract：ObjectiveTostudythevalueof64-siicespiralctlow-dosescanningtechniqueinthediagnosisofinchildren，t
4、odetermineitsclinicalsignificanceinthetreatmentofacuteappendicitisofthechildren.MethodsSixtychildrenwithacuteappendicitiswereselectedanddividedintogroupA(lowdosescanninggroup)andgroupB(routinedosescanning)byrandomnumbermethod.Theresultswerecomparedwiththoseofpathology.Thediagnosticresul
5、tswerecomparedandthesensitivity,specificity,negativepredictivevalue,positivepredictivevalueandaccuracyofthetwogroupswerecalculated.ResultsThedifferenceofX-raydosebetweenthetwogroupswassignificant(P<0.05)，andtherewasnosignificantdifferencebetweenthetwoindexes(P〉0.05).Comparedwiththeresul
6、tsofsurgicaldiagnosis,thesensitivity,positivepredictivevalue,specificityandaccuracyofCTdiagnosiswere97.1%,100%,84.3%,100%and97.0%respectivelyingroupAThesensitivity,positivepredictivevalue,negativepredictivevalue,specificityandaccuracyofCTwere97.3%,100%,83.3%,100%and97.0%,respectively.Th
7、erewasnosignificantdifferencebetweenthetwogroups(P>0.05).ConclusionTheuseof64-slicespiralCTlow-dosescanningtechniqueinthediagnosisofacuteappendicitisinchildrenissimpleandeffective,smallradiationandaccuracyandconven-tionaldosenodifference.Keyword：Appendicitis;Tomography，spjralco
