Liver cell dysplasia.Association with hepatocellular carcinoma, cirrhosis and hepatitis B antigen carrier status

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Abstract
Liver cell dysplasia was noted on histological examination of nontumorous liver from 24 of 50 (48%) black southern African males with hepatocellular carcinoma (HCC). Macronodular cirrhosis was present in 40 (80%). There was no statistically significant difference between the frequency of dysplasia in 50% of 40 cirrhotic and 40% of 10 noncirrhotic livers, or in 52.6% of 38 hepatitis B antigen (HBAg) positive and 33.3% of 12 HBAg negative HCC patients. HBAg positivity was present in 80% of 40 cirrhotic and in 60% of 10 noncirrhotic HCC patients. This lack of significant correlation between liver cell dysplasia, and both cirrhosis and HBAg positivity in HCC patients in contrast to findings in Uganda and the United States, suggests a different pathogenetic mechanism for dysplasia in southern Africa. Liver cell dysplasia in man appears to be analogous to preneoplastic experimentally-induced hyperplastic foci or areas.