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

《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