实用医学影像杂志2017,05(18),383-385DOI:10.16106/jki14-1281/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(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:yangfubinl23@sina.com收稿日期:2017-05-12TheapplicationofspiralCTlow-dosescanningtechniqueinacuteappendicitisinchildrenWuLinYangFubingDepartmentofRadiology,Children'sHospitalofSoochowUnivercity;Abstract:ObjectiveTostudythevalueof64-siicespiralctlow-dosescanningtechniqueinthediagnosisofinchildren,todetermineitsclinicalsignificanceinthetreatmentofacuteappendicitisofthechildren.MethodsSixtychildrenwithacuteappendicitiswereselectedanddividedintogroupA(lowdosescanninggroup)andgroupB(routinedosescanning)byrandomnumbermethod.Theresultswerecomparedwiththoseofpathology.Thediagnosticresultswerecomparedandthesensitivity,specificity,negativepredictivevalue,positivepredictivevalueandaccuracyofthetwogroupswerecalculated.ResultsThedifferenceofX-raydosebetweenthetwogroupswassignificant(P<0.05),andtherewasnosignificantdifferencebetweenthetwoindexes(P〉0.05).Comparedwiththeresultsofsurgicaldiagnosis,thesensitivity,positivepredictivevalue,specificityandaccuracyofCTdiagnosiswere97.1%,100%,84.3%,100%and97.0%respectivelyingroupAThesensitivity,positivepredictivevalue,negativepredictivevalue,specificityandaccuracyofCTwere97.3%,100%,83.3%,100%and97.0%,respectively.Therewasnosignificantdifferencebetweenthetwogroups(P>0.05).ConclusionTheuseof64-slicespiralCTlow-dosescanningtechniqueinthediagnosisofacuteappendicitisinchildrenissimpleandeffective,smallradiationandaccuracyandconven-tionaldosenodifference.Keyword:Appendicitis;Tomography,spjralcomputed;Child;Received:2017-05-12急性阑尾炎是儿童常见的急腹症,且发病率随儿童年龄的增加而增高,5岁以内儿竜患阑尾炎占阑尾炎病例的15%〜24%[1,2]。儿竜常因症状表现不典型容易出现误诊、漏诊[3,4],若未及时采取治疗措施,疾病进一步发展可导致患儿发生阑尾穿孔,并且其年龄与症状特显征性成明正相关,极易导致阑尾坏死及弥漫性腹膜炎,如若未及时发现救治,将会导致更加严重的并发症,甚至导致其死亡m。常规剂量与低剂量CT扫描比较,前荠因辐射较大,对儿童患荠具有一定伤害,所以很难广泛在患儿中使用,而后者同时具备了强大的后处理功能以及低辐射等优点,更有利于在患病早期对小儿急性阑尾炎作出诊断,对于诊断临床上不典型急性阑尾炎具有重要价值1^1。本文通过采用CT成像技术来探宄64排螺旋CT低剂量扫描技术在儿童急性阑尾炎诊断中的应用价值,现将其报告如下。1资料与方法1.1一般资料:研宄资料对象为我院于2017年1至3临床拟诊为急性阑尾炎的患儿60例。纳入标准:(1)参照中华医学会消化学分会制定的腹部疾病诊断标准,所有患儿充液的阑尾宽度彡6.2mmII阑尾壁加厚;(...