HepatocellularcarcinomaEpidemiology•HCCistheseventhmostcommoncancerworldwide,andthethirdleadingcauseofcancer-relateddeaths
•Morethan600,000newcasesworldwideannually(50%inChina)•Over80%ofHCCsoccurindevelopingcountries–sub-SaharanAfrica,southeastAsia,andeastAsia•IncidencedecreasedindevelopingcountriesandincreasedindevelopedcountriesYangJD,etal
NatureRev2010GlobalvariationinincidenceofHCCYangJD,etal
NatureRev2010Etiology•HepatitisB:50%HCCattributedtoHBVworldwide–Around100timeshigherforincidenceofHCCincarriersthannoncarriers•HepatitisC:leadingcauseofHCCinWesterncountriesandJapan•AflatoxinB:synergisticfactorwithHBVinChinaandsub-SaharanAfrica•Alcoholicliverdisease:secondmostcommonriskfactorforHCCafterHCVinUSA•Nonalcoholicsteatohepatitis(NASH):anemergingriskfactorindevelopedcountriesPrevention•V