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,24hDSA,,[][1],,,.[J].,1998,(7)1:9.[2],,,.DSA[J].,1997,(14)6:363.[3],,,.[J].,1996,30:591.[4],.[J].,1997,31(2):106.[5],,.[J].,1993,10:1.[6].[J].,1994,2:3.1,,,,,2,,3(1.,200433;2.;3.)[](969070301)[](1964),,,:[]2000-08-13[]Walker2256,,15,10,5MRI,CT,DSA;,XMRI;CTDSA,CTDSA;X2,,7;159,Walker2256,,,[];;,[]R445;R735.7[]A[]100323289(2001)0220127203ImagingofImplantedHepaticCancerinRatsandCorrelationwithPathologyLIUQi,TIANJian2ming,HAOQiang,etal(DepartmentofRadiology,ChanghaiHospital,Shanghai200433,China)[Abstract]PurposeTostudyontheimagingfeaturesofimplantedtumorinvivowithintheliverinrats,andcorrelatewithepathology.MethodsAnalyzingthemanifestationsofMRI,CT,DSAandlow2kilovoltageradiographsabouttheim2plantedhepatictumorreceivingbloodfromportalveinorhepaticartery.RusultsImplantedhepatictumordemonstratedsimilarimagewithhepatocellularcarcinoma(HCC)inhuman.ThetumorappearedreceivingbloodfromhepaticarteryratherthanportalveinononCTandDSA.Onthelow2kilovoltageradiographsthelipiodolwithinthetumorwasmainlyfromhepat2icartery.Butafewlipiodoldropsweredepictedwithinthetumorborder.Underthemicroscopyexamination,thelipiodolfromportalveinwasappearedinthecapsuleandwithinthetumorborder.Theimplantedhepatictumoreasilycompaniedwithtumorthrombusofportalvein,thelaterreceivedthelipiodolfromhepaticartery.ConclusionTheimplantedhepatictumorreceivedapredominantlyarterialbloodsupply,buttheportalveinappearstocontributesignificantlytothebloodsup2plyofthetumorperipheryinvivo.Theimplantedhepaticcancereasilycompanieswithtumorthrombusofportalvein,whichsuppliedmainlybythehepaticartery.[Keywords]Liverneoplasms;Image;Animal,modelWalker2256,(),,7212001172,11.1SD,250350g,,1mm3Walker2256,,725320mm,90%1.215,320mm,10,5,MR,CT,DSA;DSA,DSACT,2hX1.3CTPicker5000VCT,:Image70,Scantime1.0,ScanmA100,ScankV150,Thickness2mm,Index2mmCTOmnipaque(300mgI/ml)0.2ml0.4ml,,CTA,CTPDSAGEAdvantxLCV/DLXDSA,:kV65,mA320,FOV4.5in,10241024,5s6.3,110s,Omni2paque(300mgI/ml)0.4ml,0.3ml/s(LipiodolUl2tra2fluida)0.20.4ml,XToshibaKXO230R.MGS202AX,:kV28,Density1+,,kV29301.4,10%,,HE,-+,-;+15;++610;+++1122.1(1)MRI15320mm,,T1W,T2W(1A),,,,T2W(2)CT,10CTP,CT,(1B),,,,5CTA4,1,(3)DSA,,,(2),,(3),,(4),,,,,102(4),,,(5)2.2,,,,,,,,159,,,107+++,,,,,106,;53,2(6)3Walker2256,,MRIT1W,T2W,HCC,,,,,,,Walker2256,[12],,CT(CTACTP)DSA,,,,;Walker2256,821ChinaJMITFeb2001Vol17No21(7mm9mm)MRI2(7mm8mm)CT3(6mm7mm)DSA4(10mm12mm)DSA5(7mm12mm)6(10mm14mm)10,2,7+++Nakakuma[3]VX22,X,,VX22X,,,,159,,,,,,,,[4]Walker2256,,,Walker2256,MRIHCC,CTDSA,,,[][1]AckermanNB.Experimentalstudiesontheroleoftheportalcircu2lationinhepatictumorvascularity[J].Cancer,1986,58(8):165321657.[2]AckermanNB,LienWM,SilvermanNA.Livermetastasestheeffectofacuteligationofthehepaticarteryorportalvein[J].Surgery,1972,71(4):6362641.[3]NakakumaK,TashiroS,HiraokaT,etal.Hepatocellularcarcino2maandmetastaticcancerdetectedbyiodizedoil[J].Radiology,1985,154(1):15217.[4]ItaiYandMatsuiO.Bloodflowandliverimaging[J].Radiology,1997,202(2):3062314.9212001172