Liver cell carcinoma associated with oral contraceptives

The article describes the case of a 42 year old woman who died of liver cell carcinoma; the woman had been on oral contraceptives (OCs) for 10 years. The association between OCs and liver cancer is being reported more and more frequently. Still it is not clear exactly which is the mechanism that causes the malignant tumor. If coincidence and preexisting tumor are ruled out it is possible that OCs diminishing biliar excretion help the accumulation of carcinogenetic substances.