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Hepatitis B virus [HBV], the best-described hepadnavirus, distributed all around the world and may lead to chronic and acute liver disease, cirrhosis, and hepatocellular carcinoma. Despite the advancement in treatment against HBV, an error-prone reverse transcriptase which is require for HBV replication as well as host immune pressure lead to constant evolution and emergence of genotypes, sub-genotypes and mutant viruses; so, HBV will be remained as a major healthcare problem around the world. This review article mainly focuses on the HBV mutations which correlated to occult HBV infection, Immune scape, vaccine failure and eventually liver cirrhosis and HCC. Current study indicated that preS/S region mutations are related to vaccine failure, immune escape, occult HBV infection and the occurrence of HCC. Whereas, P region Mutations may lead to drug resistance to NA antivirals. PreC/C region mutations are associated to HBeAg negativity, immune escape, and persistent hepatitis. Moreover, X region Mutations play an important role in HCC development.
Laparoscopic findings of reddish markings predict hepatocellular carcinoma in patients with hepatitis B virus-related liver disease
