本文档下载自文库下载网，内容可能不完整，您可以点击以下网址继续阅读或下载：wwwenkuxiazai/doc/2328e235b90d6c85ec3ac63b青少年膝关节骨骺损伤的MRI表现第47卷??第5期2011年10月青岛大学医学院学报ACTAACADEMIAEMEDICINAEQINGDAOUNIVERSITATISVol.47,No.5October??2011青少年膝关节骨骺损伤的MRI表现王丽华1,2,徐文坚,刘世恩11(1??青岛大学医学院附属医院影像科,山东青岛??266003;??2??青岛市妇女儿童医疗保健中心放射科)[摘要]??目的??探讨青少年膝关节骨骺损伤的MRI表现及其诊断价值。方法??回顾性分析18例青少年膝关节骨骺损伤病人的MRI表现。结果??股骨远端骨骺损伤7例,按Salter??Harris分类法分类,Salter??型3例,Salter??型4例;胫骨近端骨骺损伤10例,Salter??型3例,Salter??型5例,Salter??型2例;髌骨撕脱骨折1例,为Salter??型。18例病人MRI表现有骨折线和骨髓水肿征象,17例骺板增宽,11例骨膜隆起或断开,15例有韧带或半月板损伤,9---本文于网络，仅供参考，勿照抄，如有侵权请联系删除---例有关节腔积液。18例病人中X线平片上仅5例有明显骨折,13例通过MRI检查确诊骨折。结论青少年膝关节骨骺损伤在MRI上有典型表现。MRI检查有助于发现无移位的青少年膝关节骨骺损伤,同时也有助于诊断肌肉软组织损伤。[关键词]??膝关节;骨骺;创伤和损伤;磁共振成像;青少年[]??R814.46;R684????[文献标志码]??A????[]??1672??4488(2011)05??0439??03MRIMANIFESTATIONSOFEPIPHYSEALINJURYOFKNEEJOINTINADOLESCENT??WANGLI??HUA,XUWEN??JIAN,LIUSHI??EN??(DepartmentofRadiology,TheAffiliatedHospitalofQingdaoUniversityMedicalCollege,Qingdao266003,Chi??na)[ABSTRACT]??Objective??Todwwwenkuxiazai/doc/2328e235b90d6c85ec3ac63bescribetheMRImanifestationofepiphysealinjuryinkneeofteenagersanditsvalueinthedi??agnosisofthiscondition.??Methods??TheMRIof18teenagerswithepiphysealinjuryinkneewereanalyzedretrospectively.??Re??sults??Distalfemoralepiphysisinjurywasfoundinsevencases,accordingtoSalter??Harrisclassification,therewerethreecasesofSalter??,andfourofSalter??;proximaltibialepiphysisinjuryin10cases,ofwhich,threecasesofSalter??,andfiveofSalter??;andtwoofSalter??;onewithavulsionfractureofpatellabelongedtoSalter??.FracturelinesandbonemarrowedemawereseenonMRIofall18patients;epiphysealplatewideningseenin17;periostealelevationordisruptionobservedin11;ligamentorme??niscusinjuryappearedin15;andninewitharticularcavityhydrops.Onplainfilmradiographyofthe18patients,thefracturelineswereshowedonlyinfivecases,thefracturesoftherest13wereconfirmedbyMRI.??Conclusion??TherearetypicalsignsonMRIofteenagerswithepiphysealinjury.MRImayhelptodiscoverthistypeofnondisplacedinjuwwwenkuxiazai/doc/2328e235b90d6c85ec3ac63bry,andalsoconducivetodiagnosisofdamageofmusclesandsofttissues.---本文于网络，仅供参考，勿照抄，如有侵权请联系删除---[KEYWORDS]??kneejoint;epiphyses;woundsandinjuries;magneticresonanceimaging;adolescent????MRI在诊断骨骺损伤方面有较大优势[1]。以MRI检查采用GESigna1.5T超导型核磁共振仪,膝关节线圈,常规行冠状位和矢状位T1WI(TR300~600ms,TE8~15ms)、质子加权脂肪抑制序列(FSPDWI)(TR2000~6000ms,TE8~15ms)扫描。有5例加扫横轴位T2WI脂肪预饱和压脂序列(TR2000~6000ms,TE80~150ms)。18例病人同时拍摄X线平片。所有MRI图像由两名有经验的影像诊断医师进行双盲法观察。骨折分类采用Salter??Harris分类法。2??结????果MRI显示,18例骨骺骨折病人中,Salter??型6例,其中3例为股骨远端骨折,3例为胫骨近端骨折,骨折线穿过干骺端和骨骺之间的软骨板;Salter??型10例,4例为股骨远端骨骺骨折,5例为胫骨近端骨骺骨折,1例为髌骨撕脱骨折(图??),骨折线由往针对青少年膝关节损伤的MRI研究相对较少。本文通过分析18例青少年膝关节骨骺损伤的MRI表现,探讨MRI在青少年膝...