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多层螺旋CT胆道造影的临床应用研究

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摘要 目的探讨螺旋CT胆道造影(spiralcomputedtomographycholangiography,SCTC)的技术及其临床应用价值。材料与方法37例疑诊胆系疾病患者行螺旋CT胆道造影检查,其中9例同时进行MRCP检查,28例经手术或ERCP证实,9例由临床资料及其他影像资料综合诊断,作为阴性对照组。图像使用三维(3D)技术:最大密度投影(MIP)、表面阴影显示(SSD)及容积成像(VR)、仿真内窥镜(VE)后处理。结果33例胆道显影,显影率为89%,其血清直接胆红素均<30μmol/L。讨论三维重建图像清晰显示胆道解剖结构、梗阻部位或病变形态,弥补了横断面图像的不足,提高了诊断率,尤其仿真内窥镜技术可为腹腔镜胆囊术前提供重要的直观的影像资料。与MRCP比较SCTC可显示更多胆道细节、与ERCP相比具有无创、对梗阻以上胆管显示率高等优点。结论SCTC在轻、中度梗阻性黄疸病例胆道显影良好,3D图像可满意显示胆道解剖结构,提高了胆道疾病的诊断率。
出处 《云南医药》 CAS 2005年第4期311-315,共5页 Medicine and Pharmacy of Yunnan
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参考文献16

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