多层螺旋ct多平面重组技术在镫骨中的应用

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1、万方数据泰山医学院硕士学位论文VⅡlTUALM咿RFRoMⅧⅡ』TI．SLICECoM吧UTEDToMoGRAPHY：ANAPPLIC加oNoFSTAPESStudent：Xul、lingSoeeialty：Imagingandl、luelearMedicineTutor：GongRuo-zlleaABSTRACTThesecondpart：THEoPTn御叩讧IM陵GEoFSHoWINGTHESTA—ESBYMSCTObjeetiveBycomparingthedisplayonthestapesfromconventionalaxial，coronal，o

2、bliqueofstapesMPR,MIPimages，evaluatingthequalityofdifferentthicknessofrecombinantwiththeoblique)MPR,MIPimage，andmeasuringanatomicalstructuresfi'omobliqueofstapesMPRimages，thispartofthestudyaimstoexplorethebestwaytoshowthewholestructureandop"tlmizationofreconstructionslicethickness．M

3、ethods52cases004ears，27malesand25females，age：5—63yearsold，averageage：34．5yearsold)diagnosedoftinnitus，headache，dizzilrle$swereexaminedinourhospitalduringSeptember2012toMay2013．PatientswerescannedbyMSCTtogainaxisandcoronalimages，andtheimageswerepost-processedtoshowobliqueMPRandMIPima

4、gereconstructionofstape．．n舱stapesoftheconventionalaxislevel，theobliqueMPRandMIPWel'eobserved；TheobliqueMPRandMIPimagt：$ofdifferentthicknesswereevaluated,andthedatewereanalysedbySPSS16．0statisticalsottware．ThebestwayandslicethicknesstodisplaytheoverallstructureofthestapesinMSCTwereex

5、plored．TherelevantanatomicalslxueturesfromobliqueofstapesMPRimagesweremeausured,andtheresultswereanalyzedandcomparedbetweendifferentsidesandwiththepublishedcadaverdata．Results1．Inconv锄tionalaxialandcoronalimages，onlyapartofstapescanbedisplayedwithdirectscan，andthewholeix)dyofstapesc

6、anbedisplayed、ⅣithMPR．ThedisplayrateoffootplateofstapesinobliqueMIPimageislowerthanthatofstapesobliqueMPRimages．2．TheoptimumimageofshowingtheoverallstructureofthestapesisobliqueMPRimageswiththethicknessof0．6mm．3．therelevantanatomicalstructurescallbe4万方数据泰山医学院硬士学位论文measure!intheobliq

7、ueMPRimagesofstapesfromMSCT：theheightofstapes：theLongimdimldiameterofobturator：left(1．73+0．29)ram,right(1．70-士o．23)mm；thehorizontaldiameterofobturator：left(1．54士-0．30)him，right(1．58士'-0．26)mm；theangleofincudostapedialjoint：left(84．18士13．38)。．right(82．79a：13．24)。；thewidthofforefootof

8、stapes"left(3．31士-0