常规MRI扫描结合胰胆管造影在胆道梗阻性疾病中的应用

目的 探讨常规MRI扫描及胰胆管造影(MRCP)对胆管梗阻性疾病的临床诊断价值.方法 2006年4月-2010年6月,对59例胆管梗阻性疾病患者行常规MRI及MRCP检查,其中18例行动态增强扫描,并与临床诊断或手术、病理结果对照分析.MRCP采用不屏气厚层快速自旋回波(FSE)序列重度T2WI扫描,原始图像以最大信...

MRI Combined with Cholangiopancreatography in Diagnosis of Bile Duct Obstruction

Objective To evaluate the clinical diagnosis value of MRI and cholangiopancreatography（MRCP） in diagnosis of biliary obstructive disease.Methods Routine MRI and MRCP were performed on 59 patients between April 2006 and June 2010,in which dynamic enhance scan was performed on 18 patients.The results were compared with clinical diagnosis or surgical findings and pathological examination.Non-breath-hold thick slices heavy T2 weighted TSE sequence was used.The original images were reconstructed by using three-dimensional maximum-intensity-projection（MIP） algorithm.Results The accuracy of MRI and MRCP in the detection of the degree and level of bile duct obstruction was 100.0 % and the accuracy for evaluating the causes of obstruction was 91.5 %.In the diagnosis of bile duct stone and malignant biliary obstruction,the diagnostic rate of MRCP was 96.8 % and 86.9%.Conclusion Routine MRI and MRCP examination can accurately define the level of bile duct obstruction.Combining with the original images and routine images and dynamic enhance scan,the specificity for the diagnosis of bile duct stone and malignant biliary obstruction is high.