低场磁共振SSFSE MRCP序列对鉴别肝血管瘤和肝囊肿的应用价值-论文.pdf

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1、中国现代医生2014年3月第52卷第8期·医学影像·低场磁共振SSFSEMRCP序列对鉴别肝血管瘤和肝囊肿的应用价值徐天才熊强张冰邢雪莲朱元清湖北省监利县人民医院放射科，湖北监利433300【摘要]目的探讨低场磁共振胰胆管水成像(MRCP)序列对鉴别肝血管瘤和肝囊肿的应用价值。方法对已进行MRI平扫加增强扫描明确诊断的患者进行MRCP成像检查，包括肝海绵状血管瘤75例、肝囊肿66例、肝海绵状血管瘤合并肝囊肿26例，并与MRI增强扫描结果进行对照。结果MRCP成像诊断肝海绵状血管瘤病灶169个，诊断符合

2、率95．48％；诊断肝囊肿病灶156个，诊断符合率97．50％；总体鉴别正确325个病灶，鉴别正确率96．44％。全部病例T2WI呈高信号或较高信号，T1WI呈低信号，STIRT2压脂呈明显高信号。MRCP序列肝血管瘤信号明显衰减甚至消失，而囊肿病灶呈明显高信号，二者形成非常显著的差异。结论磁共振水成像充分利用了水的静态特征，免除了增强检查鉴别的繁琐，简便易行，且费用低，具有临床推广价值。【关键词】磁共振成像；肝血管瘤；肝囊肿；SSFSEMRcP【中图分类号】R735．7【文献标识码】B【文章编号】1

3、673一-9701(2014)08．一0087一．02ThevalueofMRCPsequenceinlowfiddMRIindifferentiatingbetweenCHLandHCXUTiancaiXIONGQio~gZHANGBingXINGXueEanZHUYuanqingDepartmentofRadiology，thePeople’SHospitalofJianliCountyinHubeiProvince，Jianli433300，China[Abstracf】OIbj~etiveTo

4、investigatethevalueofMRCPsequenceinlowfieldMRIindifferentiatingbetweencar—ernoushemangiomaofliver(CHL)andhepaticcyst(HC)．MethodsSeventy--fiveCHLpatients，66HCpatientsand26CHLpatientsaccompaniedwithHCweredefinitediagnosedwithplainandenrolledinthisstudy．Su

5、bsequently，allpa—tientsunderwentmagneticresonanceeholangiopancreatography(MRCP)．TheresultsonMRCPwerecomparedtodiag-nosiswithenhancedMRIscanning,．ResultsCHLandHClesionsbothexhibitedhighsignalintensityorslightlyhighsignalintensityonT2一weightedimagingandlo

6、wsignalintensityonT1一weightedimaging．OnSTIRT2imaging，theyalsobothexhibitedobvioushighsignalintensity．However，CHLandHClesionsremarkablyshoweddifferentintensityonMRCPimaging．CHLlesionsshowedattenuatedornointensitywhileHClesionsshowedobvioushighintensity．1

7、69HClesionsand156CHLlesionswereidentifiedbyMRCPimaging．Thecoincidencerateswere95．48％and97．50％respectively．Intota1．325lesionsidentifiedbyMRCPimagingexactlyandthecoincidenceratewas96．44％．Condu．·sionMRCPsequenceinlowfieldMRIischeap，convenientandreliabletec

8、hniquetodifferentiatebetweenCHLandHCwithusingthestaticcharacteristicsofwater．【Keywords】MRI；Hepatichemangioma；Hepaticcyst；SSFSEMRCP随着影像检查技术的不断进步，肝血管瘤和肝囊1资料与方法肿的发现率大大提高，但对于肝脏血管瘤和肝囊肿的1．1一般资料明确诊断常需要行磁共振或CT增强检查。我们根据本组167例患者，337个病灶，全部行