What is the prevalence of hepatocellular carcinoma (HCC) among patients with hepatitis B (HBV) (Hep B) and hepatitis D (delta) virus (HDV) coinfection?

Updated: Aug 01, 2018
  • Author: Nikolaos T Pyrsopoulos, MD, PhD, MBA, FACP, AGAF; Chief Editor: BS Anand, MD  more...
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Answer

Individuals coinfected with hepatitis D (delta) virus (HDV) are thought to have a higher rate of HCC and cirrhosis, with the virus reportedly increasing the risk for HCC 3-fold and mortality rates 2-fold in patients with HBV cirrhosis. [22]

Worldwide, the prevalence of HDV coinfection among patients infected with HBV is 0-30%, with the highest prevalence in Mongolia, Southeast Turkey, and the Orinoco River in South America. The speculation that HDV may promote hepatocarcinogenesis in these patients has been investigated with varying results. The prevalence of anti-delta among patients with cirrhosis with and without HCC was not significantly different in one study, whereas most other investigations show the delta virus to be more aggressive, with higher rates of cirrhosis and cancer. [22, 23, 24]


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