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Anticancer Res. 1990 Jul-Aug;10(4):1025-8.

Value of serum protective activity against acid precipitation of poly (U) in the differentiation between cirrhotic patients with and without hepatocellular carcinoma.

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Research Department, Theagenion Cancer Hospital, Thessaloniki, Greece.


The serum protective activity against acid precipitation of poly (U) and a-fetoprotein levels were compared in 39 cirrhotic patients with hepatocellular carcinoma (HCC) and in 33 patients with chronic liver disease (CLD) alone, in order to differentiate malignant and nonmalignant chronic liver disease. All but one (97.4%) patients with HCC were found to have serum protective activity levels of greater than or equal to 21 micrograms/ml, whereas all but one (97%) patients with CLD had serum protective activity levels of less than or equal to 20 micrograms/ml. Mean serum protective activity levels were significantly higher in the HCC group than in those with CLD (p less than 0.0001). Serum a-fetoprotein concentrations of over 500 ng/ml, suggesting malignancy, were observed in 54% of patients with HCC and in 15% of patients with CLD. Application of the best discriminating values for protective activity (greater than 21 micrograms/ml) and for a-fetoprotein (greater than 500 ng/ml) to 72 patients with or without HCC revealed an efficiency of 97.2% for protective activity and only 68.1% for a-fetoprotein.

[Indexed for MEDLINE]

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