Contribution of hepatitis B virus and hepatitis C virus to liver cancer in China north areas: Experience of the Chinese National Cancer Center

Minjie Wang, Yuting Wang, Xiaoshuang Feng, Ruijun Wang, Yanmei Wang, Hongmei Zeng, Jun Qi, Hong Zhao, Ni Li, Jianqiang Cai, Chunfeng Qu

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79 Scopus citations

Abstract

Introduction The aim of this study was to determine the impact of hepatitis B virus (HBV) and/or hepatitis C virus (HCV) on primary liver cancer (PLC) in China north areas. Methods A total of 2172 histologically confirmed PLC patients attending the National Cancer Center/Cancer Hospital, Chinese Academy of Medical Sciences during the period January 1, 2003 to December 31, 2014 were enrolled. Details of hepatitis B surface antigen (HBsAg), antibodies against HBV core antigen (anti-HBc), and antibodies against HCV (anti-HCV) status were recorded. Sequencing of the HBV PreS-S gene and the C/E1 and NS5B fragments of HCV was performed and the genotypes were analyzed for some of the patients with hepatocellular carcinoma (HCC). Results Among the 2172 histologically confirmed PLC cases, 1823 (83.9%) had HCC and 238 (11.0%) had intrahepatic cholangiocarcinoma (iCCA). Among HCC cases, HBV infection alone, indicated by HBsAg-neg/pos + anti-HBc-pos, was found in 1567 (86.0%) cases; of these, 18.2% (331/1823) were HBsAg-neg + anti-HBc-pos. Serum HBV-DNA was detectable in 70% of HBsAg-neg + anti-HBc-pos HCC cases. The dominant HBV genotype was HBV-C2 (94.4%). HCV infection alone, indicated by anti-HCV-pos, was found in 2.5% (46/1823) of cases; HCV-1b (72.1%) was the dominant genotype. HBV + HCV co-infection markers were found in 6.7% (122/1823) of cases. Only 88 (4.8%) cases had no HBV and no HCV markers. Among the 238 iCCA cases, 54 (22.7%) were HBsAg-pos + anti-HBc-pos; none was anti-HCV-pos alone. Conclusions HBV remains the major contributor to PLC in China north areas Individuals with occult HBV infection should not be ignored in liver cancer screening.
Original languageEnglish (US)
Pages (from-to)15-21
Number of pages7
JournalInternational Journal of Infectious Diseases
Volume65
DOIs
StatePublished - Dec 1 2017
Externally publishedYes

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