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Am. J. Trop. Med. Hyg., 61(5), 1999, pp. 716-719
Copyright © 1999 by The American Society of Tropical Medicine and Hygiene

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American Journal of Tropical Medicine and Hygiene, Vol 61, Issue 5, 716-719
Copyright © 1999 by American Society of Tropical Medicine and Hygiene

Research Articles


Replication of hepatitis B virus in first-degree relatives of patients with hepatocellular carcinoma

DI Tai, CS Changchien, CS Hung, and CJ Chen

Hepatocellular carcinoma (HCC) may occur in family clusters. No genetic mechanism has been identified as responsible for this familial tendency. We suspected that a longer hepatitis B virus (HBV) replication phase might be the reason for a higher risk of HCC in families with this disease. We performed liver biochemical tests, test for viral hepatitis markers and hepatitis B e antigen (HBeAg), and liver ultrasonography in relatives of patients with HCC. A total of 1,885 first-degree relatives from 688 families participated in this study. Seven hundred fifty-two relatives were found to be carriers of hepatitis B surface antigen (HBsAg) and 675 of them were tested for HBeAg. The prevalence of HBeAg was 27.4% in relatives of those with HCC and 20% in asymptomatic HBsAg carriers. The HBeAg prevalence rate was higher in relatives of those with HCC > or = 40 years old than in asymptomatic HBsAg carriers. Moreover, HBeAg was more likely to persist in men than in women > or = 40 years old. We conclude that families with HCC showed a prolonged HBV replication phase that may be one of the cofactors for a familial tendency for HCC.


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Copyright © 1999 by the American Society of Tropical Medicine and Hygiene.