三维薄层动态增强MRI在原发性Budd-Chiari综合征诊断及其分型中的价值  

3-dimensional Thin Section Dynamic Contrast Enhanced MR Scanning in the Diagnosis and Typing of Budd-Chiari Syndrome

作　　者：王晓琰[1] 赵金[1] 李思婕[1] 程红岩[1] 

机构地区：[1]第二军医大学东方肝胆外科医院放射科,上海200438

出　　处：《放射学实践》2010年第3期320-322,共3页Radiologic Practice

摘　　要：目的:探讨三维薄层动态增强MRI检查对原发性Budd-Chiari综合征的显示和分型价值。方法:14例原发性Budd-Chiari综合征患者均行MRI检查,采用肝脏加速容积采集序列(LAVA),分析图像质量及其对下腔静脉、肝静脉和侧支循环的显示情况。结果:14例中下腔静脉阻塞型4例,其中膜型1例,节段性3例;肝静脉阻塞型5例;混合型阻塞5例。尾状叶增大9例,肝实质强化不均匀8例,5例显示有副肝静脉,7例可见肝内侧支血管,9例可见肝外侧支血管。结论:三维薄层动态增强MRI技术能清楚显示肝静脉和下腔静脉的正常解剖和各种病变,对诊断原发性Budd-Chiari综合征的病变部位、程度、侧支分布及分型均具有较高价值。Objective：To evaluate the value of three-dimensional thin-section dynamic enhanced MR sequence in the diagnosis and typing of primary Budd-Chiari syndrome （BCS）.Methods：14 patients with primary BCS underwent MR scanning,the sequence of liver acquisition with volume acceleration （LAVA） was performed.Image quality and the demonstration of inferior vena cava （IVC）,hepatic vein （HV） and collaterals were evaluated.Results：Of the 14 patients,there were obstruction of inferior vena cava （4 cases,including membranous type 1 case and segmental type 3 cases）,obstruction of hepatic vein （5 cases）,mixed type of obstruction （5 cases）.Caudate lobe enlargement （9 cases）,inhomogeneous enhancement of hepatic parenchyma （8 cases）.5 cases with accessory hepatic vein,7 cases with intrahepatic collateral vessels and 9 cases with extrahepatic collateral vessels were assessed.Conclusion：Normal anatomy of HV and IVC could be clearly depicted on 3D thin section dynamic enhanced MRI with LAVA technique,which is valuable in the diagnosis of the site,extent of primary BDS,and the collateral pathways and typing were well depicted.

关 键 词：磁共振成像 血管成像 肝静脉 下腔静脉 

分 类 号：R445.2[医药卫生—影像医学与核医学]