MSCT薄层联合三维重组技术对局限性腹膜炎的诊断价值  

Localized peritonitis diagnosed with multi slice spiral computed tomography:the value of thin layer imaging adding three dimensional reconstruction

作　　者：陈光文 赵黎明 彭盛坤 CHEN Guangwen;ZHAO Liming;PENG Shengkun(Department of Radiology, Sichuan Provincial People＇s Hospital, Cheng du 610070, China)

机构地区：[1]四川省医学科学院.四川省人民医院放射科,四川成都610070

出　　处：《西部医学》2018年第7期1041-1045,共5页Medical Journal of West China

摘　　要：目的探讨多层螺旋CT(MSCT)薄层联合三维重组技术对局限性腹膜炎及其病因的诊断价值。方法回顾性分析158例临床拟诊为局限性腹膜炎患者的腹部CT资料。患者均行急诊全腹平扫,并对原始图像进行薄层重建。将所有图像资料分成A组(原始图像)和B组(薄层联合三维重组),采用5分法评价两组图像对局限性腹膜炎及病因的识别能力,计算各自的敏感度、特异度、阳性预测值、阴性预测值和准确率。结果有112例患者被确诊为局限性腹膜炎,其中101例有明确病因,A组漏诊15例,25例不能明确病因;B组无漏诊,且全部明确病因。两组对病因诊断的敏感性、特异性、阳性预测值、阴性预测值和准确率分别为77.7%vs 100%、100%vs 100%、100%vs 100%、64.8%vs100%和84.2%vs 100%。结论 MSCT薄层联合三维重组技术能提高对局限性腹膜炎及其病因的诊断准确性。Objective To assess the diagnostic value of multi slice spiral computed tomography（MSCT）thin layer adding three dimensional reconstruction image for localized peritonitis and the reason caused localized peritonitis.Methods Abdominal MSCT data of 158 patients suspected localized peritonitis were retrospectively analyzed.All patients experienced abdominal unenhanced scan and the original image has been reconstructed with thin layer.All image data were divided into two groups,that were group A（original image）and group B（thin layer adding three dimensional reconstruction image）.The sensitivity,specificity,positive predictive value,negative predictive value,and accuracy of group A and group B in diagnostic of localized peritonitis were analyzed.Results One hundred and twelve patients with localized peritonitis were confirmed by surgical operation or follow-up,in which 101 had obvious reason caused localized peritonitis.15 patients have been missed diagnosis by group A and 25 patients could not confirmed the reason caused localized peritonitis in group A.However,there were no patients missed diagnosis in group B and the reason caused localized peritonitis of all patients has been detected by group B.The sensitivity,specificity,positive predictive value,negative predictive value,and accuracy of two group were 77.7% vs.100%,100% vs.100%,100% vs.100%,64.8% vs.100% and 84.2% vs.100%,respectively.Conclusion MSCT thin layer adding three dimensional reconstruction image can increase the diagnostic accuracy of localized peritonitis and the reason caused localized peritonitis.

关 键 词：局限性腹膜炎 计算机断层扫描 图像重组 病因 

分 类 号：R445.2[医药卫生—影像医学与核医学] R445.3[医药卫生—诊断学]