多層螺旋CT灌注成像在直腸癌術(shù)后應(yīng)用價(jià)值的初步研究.pdf

1、委糾犬孝碩士學(xué)位論文(2006屆)多層螺旋CT灌注成像在直腸癌術(shù)后應(yīng)用價(jià)值的初步研究PfimaryApproachOfTheValueOfMultisliceCTPerfusionimagingInRectalCancersAfter。perations研究生姓名噬盎指導(dǎo)教師姓名塑疊造型塾蝗專業(yè)名稱受堡墮芏魚焦墮芏研究方向墮壹受堡芏論文提交日期!!豎!笪Prirnmyap。proachoftheva1ueofmu1tis1iceCT——

2、p——e—rf—e—sionima—g—ing——i—n——r——e—c——ta——l——c—a——n—cersafteroperationsAbstra—c—tPrimaryapproachofthevalueofmultisliceCTperfusionimaginginrectalcancersafteroperationsAbstractobjeetiveToevaluatethevalueofCTperfusioninther

3、eflectionofhemodynamiccharactersinlocalf∞UITfllCag$ofrectalcancel“andscar班nlctI】嘲afteroperationsMaterialsandMethods20postoperativecaseswith13111e11and7womenwereperformedwithCTperfusionstudyh12recurrencecaqestwoCaseswasre

4、operated3WasperformedwithcolonoscopyAllfivec繃wereprovedbypathology11壕other∞=venc溫seswereprovedbyclinicaccordingasrenascentUlmorsinfiontofsacrumorfocalthickenedrectumwhichineasedasf0HowupaRermorf也anthreemonthsorincorporat

5、edwithincreasingthelevelofCEAormetastasisTheformerwfreseven淵Eightcase6werediagnosed鷦scarswithfollowupIttakemorethansixmonths皿elongestspendoneyearSevencaseshave110alterationandonecascobviouslybecamesmallerAll戧lsesweresele

6、ctedcontinuousfourslicesinwhichincludedthemaximallayoftumomandperformedCTdynamicscansAlloriginaldatumwerotzansmittedtotheworkstatio也BFandBV，ofwhichthelocal僦咐enCetheSCarSandthenormalmuscles，哪analyzedwithcommercialsoRonthe

7、basisofnondeconvolvealgorithmM丌wasgamedbytheformula(BFBV／MTT)ALLdatawcrcanalyzedstatisticallybypairedttestandlogisticregressionResultsBF(2959生662mlrain“11009“1)andBV(6554士1358ml／lOOg)valuesoflocalnx柚n鋤eweredistinctlyhigh

8、erthanotherswithstatisticallysignificanceThereWasn0significanceinMTTvalue(234士087s)betweenlocalrfcurrenceandothersComparedwithnormalmuscleBFBVand姍valueofscarhadnostatisticalsignificanceBFandBVWerOindependentprognosticfac

9、tors，asthevaluesof0Rwere1532and1279ThereWasnostatisticallysignificancebetween姍andlocal代：cl臻汜nc鶴CondusionMultisliceCI“perfusionstudyenabletoshowsthedifferenceofb鋤od忉1鋤icsbe咐e％localr∞lllTenCOandSCars缸1lc：t11r也【Keyword]r∞ta