急性肝炎致肝内淋巴淤滞及胆囊壁增厚的磁共振成像表现-论文.pdf

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1、【l】国茔科医学ml珀剀孵n满r·723··全科医生技能发展·急性肝炎致肝内淋巴淤滞及胆囊壁增厚的磁共振成像表现冯少仁，林云，钟恢海，付海洪，熊淑红【摘要】、目的探讨急性肝炎致肝内淋巴淤滞(ILS)及胆囊壁增厚的磁共振成像(MRI)表现及其临床意义。方法选取南昌大学附属新余医院2006-2012年MRI诊断为急性肝炎致ILS及胆囊壁增厚的患者15例，其中戊型肝炎1O例、甲型肝炎3例、乙型肝炎2例，8例行MRI平扫加增强，7例行MRI平扫。回顾性分析MRI平扫及增强表现。结果15例患者MRI平扫于T1W

2、I、T2WI示肝内门静脉周围长T1、长1、2信号的双轨道征或靶征，肝内下腔静脉周围呈环行或前方弧形长T1、长信号。胆囊壁环形增厚，呈稍长T1、稍长信号，边界清楚，胆囊周围少量积液。8例MRI增强扫描示肝内门静脉、下腔静脉周围未见强化，肝内门静脉周围呈双轨征或靶征，下腔静脉周围呈环征或前弧形征。胆囊壁中度均匀环形强化，胆囊周围积液未见强化。结论急性肝炎致ILS及胆囊壁增厚MRI表现具有特征性和较高敏感性，因而对本病有重要诊断价值，可为临床评价急性肝炎致肝脏损害程度提供影像学依据。【关键词】肝炎，甲型；肝

3、炎，乙型；肝炎，戊型；磁共振成像【中图分类号】R575．1【文献标识码】Adoi：10．3969／j．issn．1007—9572．2014．06．034冯少仁，林云，钟恢海，等．急性肝炎致肝内淋巴淤滞及胆囊壁增厚的磁共振成像表现[J]．中国全科医学，2014，17(6)：723—725．[WWW．chinagp．net]MDisplayingofAcuteHepatitisCausingIntrahepaticLymphaticStasisandGallbladderWallThickeningFE

4、NGShao—ren，LINYun，ZHONGHui—hai，eta1．DepartmentofMR，XinyuHospitalAffiliatedtoNanchangUniversity，Xinyu338004，China【Abstract】ObjectiveToinvestigatethedisplayingofmagneticresonanceimaging(MRI)anditssignificanceinthediagnosisofintrahepaticlympllaticstasis(IL

5、S)causedbyacutehepatitisandgallbladderwallthickening．Methods15casesdi—agnosedwithILSandgallbladderwallthickeningcausedbyacutehepatitisbyMRIadmittedtotheXinyuHospitalAfiliatedtoNanchangUniversityfrom2006to2012wereselected．Amongthepatients，10caseswerehepa

6、titisE，3werehepatitisAand2werehepatitisB．8casesweregivenenhancedplainMRIscanand7casesweregivenMRIplainscan．ThescananddisplayingoftheMR1wereretrospectivelyanalyzed．ResultsLongT1longT2signalwasfoundwithdoubletracksignortargetsignsurround—ingthehepat—porta

7、lveininT1WIandT2WIseries，whileLongT1longT2signalwasfoundwithcircleorvaultedshapesur-roundingtheinferiorvcnacava．Thegallbladderwallwasthickeningcircumferentially，displayingslightlylongT1slightlylongT2signalwithclearboundaryandsmallamountoffluidaroundtheg

8、allbladder．The8casesofenhancedscanshowednoenhancementinhepat—portalveinandinferiorvenacava，withhepat—portalveindisplayingdoubletracksignortargetsignandinferiorvenacavadisplayingcircleorvaultedshape．Thegallbladderwallshowedcircumf