摘要
目的:用MR显示胆道狭窄部位和程度及扩张胆管。材料与方法:检查病人26例,其中梗阻性黄疸12例,其他病人14例。应用快速自旋回波(FSE)、重T2加权成像技术及三维图像后处理,对26例病人进行31次磁共振胆道成像(MRC)。结果:梗阻性黄疸病人均能显示阻塞部位及扩张胆管,非梗阻性黄疸病人可显示胆总管及左右肝管起始段,胆道术后病人见肝内外胆管轻度扩张。结论:MRC能显示胆道狭窄部位、程度及扩张的胆管,与MRI结合能更准确地诊断胆道阻塞部位及原因,与经皮经肝胆管造影(PTC)、内窥镜逆行胰胆管造影(ERCP)相比较,MRC是诊断阻塞性黄疸的一种无创伤性方法,且安全简单。
Purpose:Toevaluatemagneticresonanceimaging(MRC)indemonstratingthesiteandextentofbiliaryobstructionanddilatedbileducts.Materialsandmethods:26patientswith12casesofobstructivejaundiceand14casesofothercauseswereexaminedbyMRC,whichwasper-formedwithabreath-holdheavilyT2-weightedfastspin-echo(FSE)sequence.Theimageswerepostprocessedon3Dworkstationwithtargetedmaximumintensityprojection(MIP)inalcases.Re-sults:Thelevelofbiliaryobstructionandthedilatedbiliarytractwerevisualizedinalpatientswithobstructivejaundice.Theextrahepaticnormalbileductsweredemonstratedinthenonobstructivepa-tients.Threecasesofpost-choledochotomyshowedmildbiliarydilation.Conclusion:MRCcoulddemonstratethesiteandextentofbiliaryobstructionandshowthelevelandcausesofobstructionmoreaccuratelywhencombinedwithMRI,incomparisonwithPTCandERCP.MRCwasasafe,simple,andnoninvasivemethodforevaluationofpatientswithobstructivejaundice.
出处
《中华放射学杂志》
CAS
CSCD
北大核心
1996年第7期448-451,共4页
Chinese Journal of Radiology
关键词
胆管阻塞
阻塞性黄疸
NMR
成像
Bileductobstruction,extrahepaticMagneticresonanceimagingEvaluationstudies