MSCT的MinIP结合CPR与低磁场MRCP诊断胆道梗阻性疾病的比较研究  

Comparative study of MSCT using MinIP and CPR reformations and low field MRCP in the diagnosis of biliary obstructive disease

作　　者：梁萍[1] 方华盛[1] 陈更瑞[1] 邓琳[1] 左江[1] 黄崇耀[1] 胡秦海[1] 

机构地区：[1]北海市人民医院放射科,广西536000

出　　处：《放射学实践》2013年第6期669-672,共4页Radiologic Practice

摘　　要：目的:探讨多层螺旋CT(MSCT)的最小密度投影(MinIP)联合曲面重建(CPR)技术在胆道梗阻性疾病中的应用价值。方法:搜集梗阻性黄疸患者90例,分为2个检查组,仅行MinIP+CPR重建及仅行MRCP成像者分别各40例,另10例同时行两种方法检查,每一检查组各为50例,后将两组图像对胆道结构和胆管壁的显示效果及诊断能力进行对比分析,同时根据手术病理或内镜检查结果,进一步评估其对梗阻的定位、定性符合率。结果:MinIP+CPR组与MRCP组对病变的定位符合率分别为90.0%及92.0%,定性符合率分别为90.0%及80.0%,两者的差异无统计学意义;MinIP+CPR图像对胆管癌的定性符合率为92.9%,高于MRCP的41.7%,两者的差异有统计学意义。结论:MSCT的MinIP+CPR胆道成像是胆道梗阻性疾病一种有效检查方法,尤其是对胆管癌的定位定性优于低磁场MRI,更适用于基层医院。Objective .- To explore the value of MSCT using MinIP and CPR techniques in biliary obstruction. Methods： Ninety patients witb obstructive jaundice were studied using MinlP and CPR reformation techniques of MSCT for .10 cases of them while another 40 cases using low field MRCP. The remaining 10 cases underwent both MSCT techniques and MRCP. Botb technique groups bad 50 cases each. The demonstrative efficiencies of biliary tree and the bile duct wall were compared for the localization and determination of the pathological nature between the two groups referring to the surgico patbological consequences or endoscopic results. Results：The lesion localization accuracies were 90.0% and 92.0%,and the characterization accuracies were 90.0%and 80.0 %, respectively for MSCT group and MRCP group The difference was not statistically significant;however,the diagnosis using MinIP and CPR images for bile duct cancer reached a higher accuracy of 92.9% than that of MRCP （41.7% ）,and the difference was statistically significant. Conclusion： MSCT using MinIP and CPR is an effective method to obtain biliary imaging for biliary obstructive diseases,especially in which the localization and characterization accuracies for bile duct cancer are better than those of low field MRI,and it could be more suitable for pri mary hospitals.

关 键 词：体层摄影术 X线计算机 图像处理 计算机辅助 胆道疾病 

分 类 号：R816.5[医药卫生—放射医学]