Selection for Resection of Hepatocellular Carcinoma and Surgical Strategy
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SelectionforResectionofHepatocellularCarcinomaand
SurgicalStrategy:IndicationsforResection,Evaluationof
LiverFunction,PortalVeinEmbolization,andResection
DarioRibero,MD,1StevenA.Curley,MD,1HiroshiImamura,MD,2
DavidC.Madoff,MD,3DavidM.Nagorney,MD,4KelvinK.Ng,MD,PhD,5
MatteoDonadon,MD,6ValerieVilgrain,MD,7GuidoTorzilli,MD,PhD,6MarkRoh,MD,8
andJean-NicolasVauthey,MD1
1DepartmentofSurgicalOncology,TheUniversityofTexasM.D.AndersonCancerCenter,1515HolcombeBlvd,Houston,Texas77030-4009,USA2Hepato-Biliary-PancreaticSurgeryDivision,ArtificialOrganandTransplantationDivision,DepartmentofSurgery,GraduateSchoolofMedicine,UniversityofTokyo,Tokyo,Japan3DepartmentofInterventionalRadiology,TheUniversityofTexasM.D.AndersonCancerCenter,1515HolcombeBlvd,Houston,Texas77030-4009,USA4DivisionofGastroenterologicandGeneralSurgery,MayoClinic,RochesterMinnesota,USA5DepartmentofSurgery,TheUniversityofHongKong,Medical,CentreQueenMaryHospital,HongKong,China6LiverSurgeryUnit,ThirdDepartmentofSurgery,UniversitySchoolofMedicine,IstitutoClinicoHumanitasIRCCS,Rozzano,Milan,Italy7DepartmentofRadiology,HopitalBeaujon,Clichy,France8DepartmentofSurgery,DrexelUniversityCollegeofMedicine,AlleghenyGeneralHospital,Pittsburgh,Pennsylvania,USA
KeyWords:Hepatocellularcarcinoma–Liverresection—Patientsselection—Portalveinembo-lization—Chemoembolization—Intraoperativeultrasonography—Radiofrequencyablation.
Amongthepotentiallycurativetreatmentoptions
forhepatocellularcarcinoma(HCC),liverresectionis
widelyconsideredthemainstayofcurativetherapy.
Animportantaspectofthemorbidity,mortality,and
long-termoutcomeofliverresectionforHCCrelates
topatientselection.Choiceoftreatmentprimarily
dependsontumorstageandthefunctionalstatusof
theliverbecausemostpatientswithHCCharbor
chronicliverdisease.1Forthisreason,whencom-
paredwithpercutaneousablationtherapiesortran-
sarterialchemoembolization(TACE),surgeryhasa
higherriskasaresultofremovaloffunctioningliver
parenchyma.Carefulassessmentoftheclinicalseverityofcirrhosisandtheliverfunctionalreserveis
thereforepivotaltoensuresuitableselectionof
appropriatecandidatesforresection.
Ourobjectiveistoreviewthecurrentindications
forliverresectioninpatientswithHCC,topresent
thecurrentcriteriaforselectionofsurgicalcandi-
dates,andtodiscusspreoperativeandintraoperative
strategiestoimprovethesafetyofliverresection.
TUMORSTAGE
Theassessmentoftumorextentistheprimarystep
fordeterminingresectabilityandtheappropriatetype
ofsurgicalresection.Triphasiccontrast-enhanced
computedtomography(CT)isessentialtodefinethe
numberandsizeoftheHCCs;todetectthepresence
ofsatellitenodulesandtumorinvasionoftheportal
vein,itsbranches,ortheinferiorvenacava;to
ex-ReceivedJune11,2007;acceptedJuly17,2007;publishedonlineJanuary31,2008.Addresscorrespondenceandreprintrequeststo:Jean-NicolasVauthey,MD;E-mail:jvauthey@mdanderson.org
PublishedbySpringerScience+BusinessMedia,LLCÓ2007TheSocietyofSurgicalOncology,Inc.AnnalsofSurgicalOncology15(4):986–992DOI:10.1245/s10434-007-9731-y
986cludeanyextrahepaticmetastasis;and,forsurgical
planning,toclarifytherelationshipofthetumors
withtheintrahepaticvascularandbiliarystructures.
Magneticresonanceimagingistheimagingmodality
ofchoicewhencontrastagentsarecontraindicatedor
betterlesioncharacterizationisneeded.Theroleof
positronemissiontomographyinthepreoperative
workupisstillnotstandardized,butitcanbeuseful
todetectextrahepaticmetastases.
BecausemostHCCsdevelopinpatientswith
chronicliverdiseaseduetohepatitisvirusinfectionor
alcoholabuse,1theprognosisofHCCpatientsde-
pendsnotonlyontumorstage,butalsoonthe
underlyingliverfunction.Therefore,severalprog-
nosticstagingmodels,2accountingforboththeextent
ofHCCandthefunctionalreserveoftheliver,have
beendevelopedtopredictsurvivalandassessout-
comesoftherapy.Oneofthesesystems,fromthe
BarcelonaClinicLiverCancer(BCLC)group,strat-
ifiespatientsintofourcategories(i.e.,early,inter-
mediate,advanced,andterminal),recommendingfor
eachdiseasestagedifferenttreatmentoptions.3
AccordingtotheBCLCstagingsystem,whichhas
beenrecentlyintegratedintotheAmericanAssocia-
tionfortheStudyoftheLiver(AASLD)guidelines,4
hepaticresectionhasamarginalroleinthetreatment
ofHCCandisindicatedonlyinpatientswithearly-
stageHCCdefinedempiricallyby(1)theMilancri-
teria5(andnotbythetumor,node,metastasissystem
AmericanJointCommitteeonCancer/International
UnionAgainstCancerstagingsystems)6,7;(2)normal
clinicalperformancestatus;and(3)preservedliver
function(bilirubinlevels<1mg/dL,absenceof
portalhypertension,andChild-PughclassAstatus).
Thereisnodoubtthatpatientswithearly,small
HCChaveexcellentprognosisafterhepaticresec-
tion.8However,retrospectiveanalysesoflarge-size
surgicalseriesshowthat43%to48%ofpatients
treatedwithcurativeliverresectionhavedisease