多层螺旋ct血管成像对肝脏血管解剖的.研究与临床应用

《多层螺旋ct血管成像对肝脏血管解剖的.研究与临床应用》由会员上传分享，免费在线阅读，更多相关内容在应用文档-天天文库。

1、重庆医科大学硕士研究生学位论文EVALUATloNoFANATOMYOFHEPATICVASCULUMANDCLINICALAPPLICATloNWlTHMSCTANGIOGRAPHYABSTRACTOBJECTIVE：Toevaluatetherateofappearingofhepaticvasculum，thevalueofbetweenhepaticvasculumanddividingofhepaticsegment，andclinicalapplicationofbetweenhepaticvasculumanddi

2、agnosingandtreatingofhepatictumorsaccordingtoimagingsofhepaticartery，portalveinandhepaticveinshownbytriple··phasescanningof16．-MSCTangiography．MATERIALSANDMETHODS：Atotalof175patientsunderwentupperabdominalexaminationsusingtripe-phaseMSCTinourdepartment．Onehundredheal

3、thysubjectswereobserved．Liverneoplasmsweredetectedin75patients，Hepatocellularcarcinoma(HCC)wasdetectedin45cases，cavernoushemangiomawasin15，hepaticadenomawasin3andmetastaseswasin12．Imageswereacquiredfollowingparameters：120KV；300mA；sectionthickness，1．0ram；pitch，15；pitc

4、hfactor,0．938；sanningtimeofperrotation，0．5s．Allpatientswereadministered90—120ml(2ml／kg)ofIVcontrastmaterial(ultravist，300mgI／mL)ataninjectionrateof3ml／s．AutomatedbolustrackingusingSure—startsoftwaretechnique，theaverage5重庆医科大学硕士研究生学位论文scandelaytimewas18-25s，45—60s，90-

5、120sforarterial，portalvenousandhepaticvenousphase，respectively．Allrowdatasetswerereconstructedin1．mmsectionand0．5mminterval，andthenweresettoaworkstation(Vitrea2，Version3．5，Toshiba)formaximumintensityprojection(MIP)andvolumerendering(VR)reconstruction．TheNormalanatomy

6、andvariantsofthehepaticvesselswereclassifiedin100casesandtherelationofportalandhepaticvenoussystemsforhepaticsegmentalanatomywasanalyzed．Feedingarteries，drainingveinsandinvadedvesselsofhepatictumorin75caseswereanalyzedand30casesofthesepatientswereperformedwithDSA，inc

7、luding20ofHCCand10ofcavernoushemangioma．DelineatingfeedingarteriesofhepatictumorwithMSCTAWascomparedwithDSAin30cases．RESULTS：(堇)MichelstypeI(Normalhepaticarteryanatomy)wasshownin75cases(75％)，typeIIin6(6％)，typeIIIin3(3％)，typeIVin2(2％)，typeVin4(4％)，typeVIin1(1％)，typeVI

8、Iin1(1％)，typeⅧin2(2％)，andtypeIXin2(2％)．TherewasnotypeX．However,fourcases(4％)presentedhepaticarteryanatomicvariationswhichcouldnotbe