骨质疏松和骨转移瘤致椎体压缩骨折的MRI鉴别诊断.pdf

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1、实用放射杂20115月第27卷第5期JPractRadio1．May20¨．Vo1．27，No．5·747·◇骨骼肌肉放射学◇MusculoskeletalRadiology骨质疏松和骨转移瘤致椎体压缩骨折的MRI鉴别诊断王振虹，刘吉华。聂佩!，陈海松，冯卫华，苏衍峰。(1青岛大学医学院附属医院放射科，山东青岛266003；2山东大学医学院；3肯岛空疗养院)摘要：目的探讨骨质疏松和骨转移瘤椎体压缩骨折的MR鉴别诊断。方法回顾性阅读病理或临床证实的5O例骨质疏松和jO洲脊椎转移瘤椎体压缩骨折(均伴异常信号)的

2、MRI片，j}分析、记录和比较各种征象。结果105个骨质疏松压缩椎体，10个椎体缘七或下部尖角状轻度突⋯。39个椎体角前和(或)后突出。3惟体T!wI或TwIFS见前后走行为主或伴分叉的低信号、高信号或并行的商低信号线。62个转移瘤缩惟体．54椎体前和(或)后缘弧形膨隆．l8个椎体中部前增夫超过!Il1．nl。15个椎体rwI或T!wIFS处弧状低信号、高信号或并行的高低信‘线．25个椎体内T!wIFSfit4f多发散在斑_状尚俯。36个为侧或烈删椎q根受累，26个伴受累椎弓根嘭大．2O个傩，3峡部后方附件

3、受累。横轴他图像显尔16个椎体前f!J!lj缘最大厚度超过5mIn异常软织影。所订所列征象卒篪别均彳『统计学意义(P

4、agnosisofertebralCompressionFracturesduetoOsteoporosisandMetastaticTumorwANGZhenht¨lg，l1Uji}luu。NIEPei，CHENHaisongIFENGwehuu，SUYanj~'nglDepaytDIentojRadiologtheAj}iliatedHospitaloyMedicalCollege。QingdaoUniversity，Qingdao，ShandongProvince266003，China)Abstra

5、ct：ObjectiveToinvestigateMRimagingdifferentialdiagnosisofosteoporoticcompressionfracturesandmetastadcCOnl～pressionfracturesofthevertebra．MethodsMRIfindingsin50caseswithosteoporoticcompressionfracturesand50caseswithnletastaticcompressionfractures(allshowing

6、abnormalsigna1)confirmedpathologicallyorclinicallywereretrospectivelyreviewed．Re·suitsIn105compressivevertebraecausedbyosteoporosis，MRimagingshowedslightlyprotrudingtheposterior—superiororposte—riorinferiorborderin10，anterior—superiorand／oranterior—inferio

7、rcornersofvertebralbodyprotrudingforwardin39andretropul—sionoftheposterior—superiorand／orposterior—inferiorcornersintothespinalcanalin31．OnT!WIorfat—suppressedF!WI，3,1ver—tebraedemonstratedalmormalsignalline(almostanteriorposteriordistrubutedorunlined)．】n6

8、2compressive、，ertebraeduetome—tastatictufffor，ishowedconvexbulgeoftheposteriorborders。48displayedenlargedanlerior—posteriordiameter(>2II]nl】inthemiddlepartofthevertebralbody．OnTWIorfatsuppressedT!WI，15display