肝脏体积结合血流灌注ct测量评价肝功能储备能力初步的研究

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1、ABSTRACTobjeetive：applytheCTtomeasurethelivervolumeand1iverperfusiontoseewhathappened’intwoparametersincirrhosisandiftherewassomekindofrelationshipbetweentwoparametersandgradeofcirrhosis，thentousethesetwoparameterstoevaluatingtheliverfunctionalreserve。Methods：objectwasthe

2、peoplewhocametorequestabdominatCTexamination．tota}52peoplewasexaminedandwasdividedbytwogroupnormalone(20cases)andcirrhosisone(32cases)．ScanmachinewassingleiayerspiralCT．scanmethodwasthatafterplainscanofwholeliver,asingleslicethroughtheportalhepatisideallyincludethespleenw

3、asrepeatedlYscanned．for35timesafterintravenousbolusinjectionof42mlnonioniccontrast-mediaat6ml／sbyhighpressureinjector，andtotalinjectingtimewas7second．Weusedsingleslicedynamicliverscanseries，theslicethicknesswas10mm．3minutesaftertheperfusionscanawholeliverenhancedscanwaspe

4、rformedwithinonebreathhold-a11perfusionimagedatawasmadetotime．densecurve(TDC、bysoftwareincomputer,theinterestingareaincludeaorta,portalvein，liverandspleen，theTDCdatawastransferredtothecomputerandwecangettheperfusionparametersuchashepaticarterialperfusionrHAP)、hepaticporta

5、lperfusion(HPP)、totalliverpcrfusienfTLP)andhepaticarterialperfusionindex(HAI)andhepaticportalperfusionindex(PPI)byapplyingsomespecialperfusionformula．111eenhanced1iverimagedatawastransferredtothepost—operativestation，Asforthelivervolume．wetooksemiautomaticwaysthat、vasanal

6、yzingtheenhancedliverimagethrou曲itsgraylevelbycomputer,andmanualmodifyingtheimageuntilthelivercontourwaspreciselyshown，thenmadesoftwareautomaticallyproducingtheliverthree．dimensionedmodelbyshadedsurfacedisplay(SSD)andworkingoutthe1ivervolume．tllecirrhosisgroupwasclassifie

7、dbyChild-Pu出hepaticfunctionclassificationtable．At1astweperformedsomecomparisonaboutthe1ivervolumeandperfusionandvolumeperfusionindex，includingnormalVScirrhosis，childAVSchildBVSchildCtoseewhatrelationshipbetweeneachparameterandliverfunctionreserve．WealsoperformedCon'elatea

8、nalysisbetweenallparametersandtheChil出Pughclassificationpoints．Results：thecirrhosislivervolumewa