气体造影及窗技术在CT诊断胃肠病变中的应用

:2007-05-21;:2007-12-25:(1971-),,,,:CT,,,,(175,363000):CT1262,(69)CT,(57)CT,,,2CTCTCT,:;;;,X:R816.5;R814.42;R814.43:A:1002-1671(2008)06-0771-04ApplicationofGas-ContrastedandWindowTechnicinDiagnosingGastro-ColonLesionwithCTOUYANGLin,ZHOUShui-tian,ZHONGHua-cheng,LINHuan-bin,XIAOYu-hui(DepartmentofRadiology,175thHospitalofPLA,Zhangzhou,FujianProvince363000,China)Abstract:ObjectiveTostudytheValueoflowdoseCTscanningwithgas-contrastedandlowwindowlevelindiagnosinggastro-co2lonlesions.Methods126casessuspectedwithgastro-colonlesionswererandomlydevidedintotwogroups,groupA(69cases)werescannedwithconventionalwater-contrastornon-contrastandconventionalexposedose,andwithconventionalwindowlevel,groupB(57cases)werescannedwithgas-contrastedandlowexposedose,andusinglowwindowlevel.Theimageswereevaluatedby2experiencedra2diologists,theresultsincludingdoctorsself-confidenceanddiagnosticaccuraterateinbothgroupAandgroupBwerecomparedbasedontheendoscopicresults.ResultsThediagnosticself-confidenceofradiologistsandtheaccuraterateinevaluatingthelesionsingroupBwereobviouslysuperiortogroupA.ConclusionCTscanningofgastro-colonwithgas-contrasted,lowexposedoseandlowwindowlevelismarkedlysuperiortoconventionalone.Keywords:gastro-enterology;contrastagent;lowdose;tomography,X-raycomputedCT,CT,,,,--,-,CT,CT,11.12006-042007-03CT126,A69,CT,CT,B57,CT,CT93,3073,59;33,4380,63.41.2SIEMENSNOVES4CT,:eff.mAs165,CTDIw12.52mGy;eff.mAs50,CTDIw3.80mGy;:Slicewidth5.0mm,Slicecollimation2.5mm,kV120,Pitch1.25,Reconincrement5.0mm,Kernel:B20fmediumsmooth,:Reconstructonslice3.0mm,Reconincrement1.5mm300HU,3445HU,(-1010)HU:,,300500ml(),;10(,0.30g),10min:,,500ml,17720086246JPractRadiol,Jun.2008,Vol.24,No.6©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(),1.3CTPACS,,:2(),,1,:0,,;1,,;2,,,CT22.1CTCT99,56,43,CT12.2CTCT27,13,14,CT21CT564301201216291104392U=6.251.96,P0.052CT1314012012854102U=3.661.96,P0.052.3CT-CT61,29,32,CT33CT2832CT1612248208239(%)61(17/28)91(29/32)(%)65(13/20)96(22/23)(%)38(3/8)22(2/9)(%)62(5/8)78(7/9)(%)35(7/20)4(1/23)Youden0.270.743,,X,,,,CT,CT,CT,2,CT,,CT,CT,CT,CT[1],,CT[2],CT,27720086246JPractRadiol,Jun.2008,Vol.24,No.6©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:,CT,,,,,,CT:,:,,,,,,,[3,4],CT,,,[4]CT,13,,3,,,,,X,,-;,,,,,;CT,,,,,(-10.010.0)HU,,,,,,,,,,,,,,,,,[5](13),CT,CT[4][6]600ml1%600ml,1CT,,--2A,BCT(-10HU)A.--,,()B.()3A,BA.CT,,--B.CT(-10HU),--,37720086246JPractRadiol,Jun.2008,Vol.24,No.6©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[7],CT,,CT,;CT,,,313,,CT,,4,3,1,4,,,,,,,CT,CTCT,2,CT,,,,,:[1],.46[J].,2001,35(10):725-731.[2],.[J].,2003,13(12):957-960.[3],,.CT[J].,2003,24(5):453-454.[4],,.CT[J].,2006,25(6):543-547.[5],.CT[J].,2004,20(12):1076-1078.[6],.CT[J].,2003,31(3):288-289.[7]PortnoiLM,RoslovAL,NefedovaVO.Possibilitiesofcomputerizedtomographyinthediagnosisofgastrictumors[J].Khirurgiia(Mosk),2001,4(1):33-39.(770),[3,4,11],1,80%[10,12],,,,CT:(1);(2)CT;(3);(4),,:[1]YenH,CobbCJ.Retroperitonealganglioneuroma:areportofdiag2nosisbyfine-needleaspirationcytology[J].DiagnCytopathol,1998,19(5):385-387.[2]IchikawaT,OhtomoK,ArakiT.Ganglioneuroma:computedtomo2graphyandmagneticresonancefeatures[J].BrJRadiol,1996,69(818):114-121.[3]OtalP,MezghaniS,HassisseneS,etal.Imagingofretroperitonealganglioneuroma[J].EurRadiol,2001,11(6):940-945.[4]SchererA,NiehuesT,EngelbrechtV,etal.Imagingdiagnosisofretroperitonealganglioneuromainchildhood[J].PediatrRadiol,2001,31(2):106-110.[5]JainM,ShubhaBS,SethiS,etal.Retroperitonealganglioneuro2ma:reportofacasediagnosedbyfine-needleaspirationcytology,withreviewoftheliterature[J].DiagnCytopathol,1999,21(3):194-196.[6]ChangCY,HsiehYL,HungGY,etal.Ganglioneuromapresentingasanasymptomatichugeposteriormediastinalandretroperitonealtumor[J].JChinMedAssoc,2003,66(6):370-374.[7]KulkarniAV,BilbaoJM,CusimanoMD,etal.Malignanttransfor2mationofganglioneuromaintospinalneuroblastomainanadult:casereport[J].JNeurosurg,1998,88(2):324-327.[8]GhaliVS,GoldJE,VincentRA,etal.Malignantperipheralnervesheathtumorarisingspontaneouslyfromretropearitonealganglioneuro2ma:acasereportreviewoftheliterature,andimmunohistochemicalstudy[J].HumanPathol,1992,23(1):72-75.[9]NavarroO,Nunez-SantosE,DanemanA,etal.Malignantperiph2eralnerve-sheathtumorarisinginapreviouslyirradiatedneuroblas2toma:reportof2casesandareviewoftheliterature[J].PediatrRa2diol,2000,30(3):176-180.[10]SchulmanH,LauferL,BarkiY,etal.Ganglioneuroma:aninci2dentalomaofchildhood[J].EurRadiol,1998,8(4):582-584.[11],.CTMR[J].,1998,7(5):198-200.[12],,.CTMR(1)[J].,2005,21(12):1328-1331.47720086246JPractRadiol,Jun.2008,Vol.24,No.6©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.