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20096186JInterventRadiol2009,Vol.18,No.6CTTACE,,,【】CT(CTPI)HCCTACE。24HCCTACE1~3d、6~8d30~40dCT,CT(HAP)、(PVP)、(HPI),,TACE,TACE。TACE9,15。8,16。,。、6~8dHAP、HPI(P<0.05),PVP(P>0.05)。、6~8d(P>0.05)。TACE,16HAP、PVP、HPI(P<0.01)。CTTACE,TACE。【】;CT;;:R735.7:A:1008-794X(2009)-06-0437-05ClinicalapplicationofCTperfusionimaginginestimatingtheefficacyoftranscatheterarterialchemoembolizationforthetreatmentofhepatocellularcarcinomaHUANGYuan-quan,JIAZhong-zhi,FENGYao-liang,SHIHai-bin.DepartmentofInterventionalRadiology,theFirstAffiliatedHospitalofNanjingMedicalUniversity,JiangsuProvincialHospital,Nanjing210029,China【Abstract】ObjectiveTodiscusstheclinicalvalueofdual-sourceCTperfusionimaging(CTPI)inestimatingthetherapeuticefficacyoftranscatheterarterialchemoembolization(TACE)forhepatocellularcarcinoma(HCC).MethodsDual-sourceCTPIwasperformedin24patientswithHCC1-3daysbeforeand6-8,30-40daysafterTACE.Withthehelpofbuilt-indual-sourceCTperfusionsoftware,thecolorperfusionimagesofhepaticarterialperfusion(HAP),portalveinperfusion(PVP)andhepaticperfusionindex(HPI)ofallHCClesionswereobtained,andtherelevantperfusionparametersaswellasthetumorsizeweremeasuredonthecolorimages.TheparametersobtainedbeforeTACEwerecomparedwiththatobtainedafterTACE,andthedifferenceswerestatisticallyanalyzed.ResultsBeforeTACEtreatment,theHCClesionsweremanifestedonHAPmapashomogeneoushyper-perfusionin9casesandinhomogeneoushyper-perfusionin15cases.AfterTACEtreatment,thetumorwastotallyfilledwithlipiodolin8casesandpartiallyfilledwithlipiodolin16cases.Lackofbloodperfusionwasfoundinlipiodol-fillingareas,butinsparselyorinsufficientlylipiodol-filledareasbloodperfusioncouldstillbeseen.SixtoeightdaysafterTACE,inallpatientstheHAPandHPIofHCClesionsweresignificantlylowerthanthatmeasuredbeforeTACE(P<0.05),whilethedifferencebetweenthePVPdeterminedbeforeTACEandthePVPdeterminedafterTACEwasofnostatisticalsignificance(P>0.05).Themaximaldiameterofthelesions6daysafterTACEshowednosignificantchange(P>0.05)whencomparedtothatbeforeTACE.Intherecurrentpatients,nosignificantchangesintumor'ssizewereobserved6daysaftertreatmentifcomparedtothatbeforethetreatment(P>0.05).AfterTACE,thedifferenceinHAP,PVPandHPIbetweentheresidualtumorlesionsandthesurroundingnormallivertissueswas:210029、:,E-mail:yaoliangfeng@hotmail.com·Tumorintervention·437——20096186JInterventRadiol2009,Vol.18,No.6TACEHCC。TACE,TACE。,TACE,,。CT(CTperfusionimaging,CTPI)[1]。CTPI24TACEHCC,。11.120083-200810TACEHCC24,19,5,39~77,54,AFP、、CT、DSA。2.6~14.5cm,(9.3±3.5)cm。1AFP981.3ng/ml,1210ng/ml。1.21.2.1Seldinger,TACE,5-Fu0.75~1.0g,10mg30mg,60mg,20mg10mg48%6~30ml,,。1.2.2TACE1~3d、6~8d30~40dSiemensdefinitionCT。,,,18G。CT,,、、、,。Bodyper-fusion,,4,1s,7.2mm,0,28.8mm。:120kV,100mA,512×512。370(ultravist370mgI/ml,)60ml,5.0ml/s,8s,50s,200。1.2.3SiemensdefinitionMEDPC,。,-50~150Hu,。,,。-(time-densitycurve,TDC)(hepaticarterialperfusion,HAP)、(portalveinperfusion,PVP)、(hepaticperfusionindex,HPI),(regionofinterest,ROI)、。ROI,。,,3,。1.3SPSS11.0,±(x±s)。、t,t,P<0.05。2246~8dCT,2330~40dCTPI,1。2.1TACECTPI24HAP,9,15,,PVP,(1)。2.2TACECTPITACE,8statisticallysignificant(P<0.01).ConclusionDual-sourceCTperfusionimagingcandirectlyandquantitativelyreflectthehemodynamicsituationofHCClesionsbothbeforeandafterTACE,whichisveryhelpfulforestimatingthetherapeuticefficacyofTACE.(JInterventRadiol,2009,18:437-441)【Keywords】hepatocellularcarcinoma;CTperfusionimaging;transcatheterarterialchemoembolizatio;therapeuticeffect438——20096186JInterventRadiol2009,Vol.18,No.61TACE、HAP、HPI(P<0.01)。TACEHAP、HPI。PVP、(P>0.05)。2HAP、PVPHPI(P<0.01)。TACEHAP、HPI,PVP。3,TACE30~40d6~8d,HAP、HPI(P<0.05)。TACE30~40dHAP、HPI。PVP(P>0.05)。3TACE、,16,HAPPVP,(2)。24HCCTACE6~8d、166~8d156~8d30~40d,1~3。a。HAPdTACE7d,CTcPVPbHAP,1aCTbHAPcPVPdHPI26d36~8d30~40d(x±s)1TACE6~8d(x±s)2TACE6~8d(x±s)439——20096186JInterventRadiol2009,Vol.18,No.6,、。TACE、CT、MRI、、DSA、PET-CT。。DSATACE,DSA,TACEDSA。CT,,,[2,3]。TACE,CT[4],CT。MRI,MR(diffusion-weightedimaging,DWI)TACE,DWI、[5],DWI,。CT,CTPI[6-9]。CTPI,-(TDC),,,。CTPI(microvasculardensity,MVD)(vascularendothelialgrowthfactor,VEGF)[10],,。Tsushima[11],CT,,TACE。Lin[12]HCCTAETAE7dHPI,0.85,1。TACE,,CT。CT,CTPI。TACE,CTPI,;,,HAP,HAP。8,HAP,,,166~8dHAP,,。CTPI,HAP,[13]。,。、,,,。:HAP、HPI,,,TACE。,。TACE,、HAP,,,,。,HAP16,HAP,,HAP0。2330~40dCTPI,6~8d15,1HAP、HPI,DSA,TACE;8,6~8dCTPI,1,,。,CTPITACE[13,14],HCC。,CTPI4(28.8mm),,,CTPI,;;50s,,;,[15]。,CTPI,、。TACE,CTPI,,,TACE。440——20096186JInterventRadiol2009,Vol.18,No.6[][1],,,.CTTACE[J].,2007,26:206-211.[2]MakiS,KonnoT,MaedaH.Imageenhancementincomputerizedtomographyforsensitivediagnosisoflivercancerandsemiquan-titationoftumorselectivedrugtargetingwithoilycontrastmedium[J].Cancer,1985,56:751-757.[3],,,.CT[J].,2000,8:837-839.[4]BartolozziC,LencioniR,CaramellaD,etal.Hepatocellularcarcinoma:CTandMRfeaturesaftertranscatheterarterialembolizationandpercutaneousethanolinjection[J].Radiology,1994,191:123-128.[5],,,.MR[J].,2008,24:270-273.[6]MilesKA,HayballMP,DixonAK.FunctionalimagesofhepaticperfusionobtainedwithdynamicCT[J].Radiology,1993,188:405-411.[7]LeggettDA,KelleyBB,BunceIH,etal.Colorectalcancer:dia
本文标题:CT灌注成像在肝癌TACE术后疗效评价中的应用价值
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