磁共振水成像在胰胆道系统病变中的应用.doc

磁共振水成像在胰胆道系统病变中的应用
作者 suny 查看 119 发表时间 2008/10/6 19:00 【论坛浏览】
【摘要】目的评价MR水成像在胰胆道系统病变中的临床应用。方法采用重T2加权MR水成像技术对66例患者行MRCP检查,图像经三维最大信号强度投影及三维表面遮蔽显示技术后处理。结果水成像定位率达100%,%,此技术可清楚显示胰胆管的形态,显示各种胆道疾病的异常改变,诊断符合高。结论 MRCP对胆石症、恶性胆管梗阻及先天性胆总管囊肿等胆系疾病的诊断价值高于其他影像检查。
【关键词】磁共振水成像胰腺胆道病变
The applicable value of MR hydrography cholangio-pancreas tomography in biliary lesion
MAI Yuan-qi, WANG Yu-hao, LIANG Kai-wen, et al. Department of Radiology,the People's Hospital of Maoming, Maoming, Guangdong 525000, China
[Abstract] Objective To study the diagnostic Value of MR hydrography cholangio-pancreas tomography in the Biliary Lesion. Methods MRCP were performed in 66 cases using a heavy T2 weighted MR hydrography technique. The images were post-processed by three dimensional maximum intensity projection and three dimensional surface shaded display. Results The accuracy of MRCP for evaluating this disease was 100%, and for the cause of disease was %. Conclusion The diagnostic value of MRCP for choledo-lithiasis, malignant bile duct obstruction and mon bile duct cyst is superior to that of the other imaging examinations.
[Key words] ic resonance hydrography; pancreas; biliary duct; lesion
磁共振胰胆管成象(MRCP)是利用磁共振水成像技术使胰胆管显影,即利用MR重T2效果使含水的结构显影,达到水造影目的,而胆道内的胆汁含大量水,具有极高的质子密度,具有长T2驰豫特点,胆道周围的组织具有较短的T2驰豫,因而有可能利用此技术突出胆道信号,抑制胆道周围组织信号而使胆道得予显影,此技术不仅具有无创伤性,不需造影剂,不受操作者技术影响等优点,而且可以显示一个完整的扩张胆管系统,其对胆道系统病变的