对移植肾上尿路梗阻的诊断及鉴别诊断

:2001204230;:2001209210:(1963),(),,,15120022JournalofIsotopesVol.15No.1Feb.200299Tcm-DTPA1,1,1,2,1(11,430030;21,430030):8811099Tcm2DTPA,:,;,;,,,,,,;,:99Tcm2DTPA;;;:81714:A:100027512(2002)0120061203(330)%,10%[1],[2],(88)99Tcm2DTPA,111188,;1262,35;63,25;14110112GESTAR2CAM4000RöT,99Tcm2DTPA(,90%),ECT(ANT),185MBq99Tcm2DTPA,20min,2ö1F15+30ö1F40,(GFR)):26,:6,2,13,3,284,:(ATN)33,6,38,7©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:(l):,4s,,;,35min,,,20min,,5min,,20min(4050)%,GFR(2),,:,(5min)23,19,83%(19ö23),(3),,,,,2,l3,100%(3ö3),GFR,,1,,,(3):33,ATN,,,,,CFR3,,B,,RI0.8,TCI(4):51,,;,,GFR3,B,,,TCI3,,,GFR,,RI0.8,,TCI3,,GFR;,,;,TCI33,,B,,B,[3],,,,,,,,:,,,,,,,,,,,,,[4],B(,)()RI(0.8)(FNAB)(TCI3)2615©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[5],GFR,GFR,,:[l].[M].:,1983.2121[2].[M].:,1996.89921[3]Riedinger2BerrioloA,TouzeryC,ChevetD,etal.NomalRangeof(99mTc)MAG23RenogramPa2rametersTrallssinRenalTransplantRecipients[J].TranspProc,1994,1:301.[4].[M].:,1990.219.[5].[M].:,1994.318.RenalDynamicImaginginDiagnosisofUpperUrinaryTractObstructioninTransplantedKidneyWith99Tcm-DTPAXIANYu2zhi2qun1,WUHua1,ZHOUJian,ZHOUPing2,ZHAOMing1(1.DepartmentofNuclearMedicine,TongjiHospital,TongjiMedicalCollege,HuazhongUniversityofScienceandTechnology,Wuhan430030,China;2.InstituteofOrganTransplantation,TongjiMedicalCollege,HuazhongUniversityofScienceandTechnology,Wuhan430030,China)Abstract:Renaldynamicimagingwith99Tcm2DTPAisperformedon88cases(110times)trans2plantedkidney.Twokindsofrenalscintigraphicareobservedinrecipientswithsupravesicalob2structionofthegraft.Thefirstis,theregulartypewhichisspecificallycharacterizedbyactivityde2fectareainkidneyparenchymaduringearlyuptakeperiodfollowedbyureteropelvicretention.Thesecondis,thetubulartypewhichisfeaturedbycorticalretentionandattenuationincollectingsys2temduringthewholetestperiodwithaspecialsign,vacantkidney1Non2obstructivedilatedca2lycesshowsimilarsignsastheregulartype.Acuterejectionreactionandtubulenecrosisdemon2strateobstructivetimeactivitycurves.However,theradioactivityretentionappearsincortex.Itissuggestedthatdilatedcalycesandobstructiverenogrammaybenotfeasibleevidencesforupperuri2narytractobstruction.Thesignsofradioactivityattenuationinkindneyparenchymaduringearlyuptakeperiodfollowedbyureteropelvicretentionmaybemorevaluable.Fortubularobstruction,specifiedvacantkidneyisthecharacteristicsignwhichmaybeveryhelpfulforthediagnosis.Keywords:99Tcm2DTPA;renaldynamicimaging;transplantedkidney;upperurinarytractobstruc2tion361:99Tcm2DTPA©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.