Rising plasma nociceptin level during development of HCC: A case report

Horváth, Andrea and Folhoffer, Anikó and Lakatos, Péter László and Halász, Judit and Illyés, György and Schaff, Zsuzsa and Hantos, Mónika Beatrix and Tekes, Kornélia and Szalay, Ferenc (2004) Rising plasma nociceptin level during development of HCC: A case report. World Journal of Gastroenterology, 10 (1). pp. 152-154. ISSN 1007-9327 (print), 2219-2840 (online)

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Abstract

AIM: Although liver cirrhosis is a predisposing factor for hepatocellular carcinoma (HCC), relatively few reports are available on HCC in primary biliary cirrhosis. High plasma nociceptin (N/OFQ) level has been shown in Wilson disease and in patients with acute and chronic pain. METHODS: We report a follow-up case of HCC, which developed in a patient with primary biliary cirrhosis. The tumor appeared 18 years after the diagnosis of PBC and led to death within two years. Alfa fetoprotein and serum nociceptin levels were monitored before and during the development of HCC. Nociceptin content was also measured in the tumor tissue. RESULTS: The importance and the curiosity of the presented case was the novel finding of the progressive elevation of plasma nociceptin level up to 17-fold (172 pg/mL) above the baseline (9.2 +/- 1.8 pg/mL) parallel with the elevation of alpha fetoprotein (from 13 ng/mL up to 3 480 ng/mL) during tumor development. Nociceptin content was more than 15-fold higher in the neoplastic tissue (0.16 pg/mg) than that in the tumor-free liver tissue samples (0.01 pg/mg) taken during the autopsy. CONCLUSION: Results are in concordance with our previous observation that a very high plasma nociceptin level may be considered as an indicator for hepatocellular carcinoma.

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