胆总管转角与胆总管扩张程度相关性的MRCP研究  被引量:4

The correlation between the angle and the dilation of common bile duct:an MRCP study

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作  者:张仕勇[1] 敬宗林[1] 黄小华[1] 雷力行[1] 汤梦月[1] 刘念[1] 

机构地区:[1]川北医学院附属医院放射科,四川637000

出  处:《放射学实践》2015年第7期759-762,共4页Radiologic Practice

摘  要:目的:采用MRCP技术研究胆总管转角与胆总管扩张程度的相关性。方法:连续性搜集符合纳入标准的321例患者的MRI和临床资料,其中胆总管无扩张218例,轻度扩张55例,中度扩张20例,重度扩张28例,测量肝外胆管转角大小。采用单因素方差分析和Dunnett-t比较胆总管无扩张与不同程度扩张患者间转角差异,采用Spearman秩相关分析胆总管转角与胆总管扩张程度的相关性。结果:胆总管无扩张、轻、中、重度扩张患者平均肝外胆管转角分别为(121.40±17.76)°、(118.66±21.65)°、(117.44±23.51)°、(104.68±24.06)°,胆总管重度扩张患者转角小于胆总管无扩张患者(P<0.05),胆总管转角与胆总管扩张程度的相关性系数为-0.162(P<0.05)。结论:肝外胆管转角与胆总管扩张程度呈负相关,肝外胆管转角随着胆管扩张加重而减小。Objective:To investigate the correlation between the angle and dilation of common bile duct(CBD)on magnetic resonance cholangiopancreatography(MRCP).Methods:The MRI and clinical data of 321 consecutive patients,including 218 patients without CBD dilation,55 with mild dilation,20 with moderate dilation and 28 with severe dilation,were collected based on selection criteria.The angle of extrahepatic biliary tract on 2dimension MRCP images was measured and recorded on each case.One-way analysis of variance(ANOVA)and Dunnett-t test were used to analyze the difference of the angle with the dilation level of CBD.Spearman rank correlation was adopted to evaluate the correlation between the angle and dilation of CBD.Results:The average angles in patients with non-dilation,mild,moderate and severe dilatation were121.40°±17.76°,118.66°±21.65°,117.44°±23.51°and 104.68°±24.06°,respectively.Patients with severe CBD dilation showed a smaller angel than those without CBD dilation(P〈0.05).The spearman rank correlation coefficient between the angle and CBD dilation was-0.162(P〈0.05).Conclusion:There is a negative correlation between the angle of extrahepatic biliary tract and CBD dilation,the angle decreases with the increase of CBD dilation level.

关 键 词:胆总管 转角 扩张 磁共振胆胰管造影术 

分 类 号:R445.2[医药卫生—影像医学与核医学] R657.4[医药卫生—诊断学]

 

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