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ID:32285471
大小:6.88 MB
页数:28页
时间:2019-02-02
《mr延迟增强扫描对正常膝关节软骨与其ⅰ、ⅱ期病变的应用的的研究》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、示正常膝关节软骨的解剖结构、以及膝关节软骨的I、II期病变,是首选的无创性检查方法。关键词:膝关节软骨核磁共振三维抑脂扰相梯度回波序列延迟增强扫描2TheapplicationstudyofDelay-enhancedMRIinnormalcartilageandPhaseIandIIofcartilagelesionsofthekneeMasterdegreecandidate:ZhangGuo-WeiSupervisor:ProfessorSuiHong—JinResearchadvisors:Associat
2、eProfessorYuSheng-BoSpeciality:HumanAnatomyandHistologyandEmbryologyAbstractobjecfive:Bycomparativestudyingtheapplicationofpre-enhancedanddelay—enhancedMRI3DFSSPGRsequencesinkneejointcartilagesof25asymptomaticvolunteers,toinvestigatetheanatomicalstructuresofno
3、rmalcartilageandtheoptimizingexaminationmethodofMRI.Andtofurtherlyresearchthediagnosticvaluesofdelay-enhanced3DFSSPGRsequencefornormalcartilageandphaseI、IIofcartilagelesionsofthekneejoint.Methods:25healthyvolunteersand43patients谢t11cartilagelesion(I:21cases,II
4、:22cases)confirmedbyarthroscopywereexaminedwitllpre-enhancedanddelay—enhanced3DFSSPGRsequence.ThedifferencesbetweenthetwoscanningmethodsintheshowofanatomicalstructuresofnormalkneecartilageanddiagnosticaccordanceratesofphaseIandIIofcartilagelesionsofthekneejoin
5、twereanalyzedbyusingthechisquaretest.Results:1.Themedialandlateralcondylesoffernur,medialandlateralplateausoftibiaandpatellaofeachkneewereassessedin25healthyvolunteers(totalof50kneesand250observationareas).Onpre—enhanced3DFSSPGRimages,thesignalofarticularcarti
6、lageconsistedofthree-layerstructurein165observationareas,andthedisplayrateWas66.O%(165/250).Ondelay—enhanced3DFSSPGRimages,thesignalofarticularcartilageconsistedofthree-layerstructurein187observationareas,andthedisplayratewas74.8%(187/250),thedisplayrateofdela
7、y—enhanced3DFSSPGRimagewashigherthanthatofpre—enhancedimages.Therewerestatisticdifferencesindisplayrateofthree-layerstructureofkneejointcartilagebetweenpre-enhancedanddelay-enhanced3DFSSPGRsequence(矿=4.65,p=o.03).32.Onpre—enhanced3DFSSPGRimages,phaseIofcartila
8、gelesionwasdetectedi118of43cases诚t11articularcartilagelesion(accordancerateof38.1%,8/21),andphaseIIWasdetectedin12cases(accordancerateof54.5%,12122).However,ondelay-enhanced3DFSSPG
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