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The behavior of tumor markers in biliary tract malignancies is not well-known and has been scarcely studied. Such markers could play important roles in diagnostic and prognostic schemes as well as in decision-making about the best treatment strategies. This study analyzed the preoperative serum levels of conventional tumor markers (AFP, CEA, CA 19-9, CA 72-4), proliferative marker thymidine kinase (TK) and cytokeratins (TPA, TPS and CYFRA 21.1) in patients with gallbladder carcinoma, bile duct carcinoma (Klatskin) and cholangiocellular carcinoma, in relation to the patient prognosis. The study aimed in finding the role of tumor markers in not properly investigated diseases, where their importance is often marginalized.

Evaluation of Tumor Markers and Their Impact on Prognosis in Gallbladder, Bile Duct and Cholangiocellular Carcinomas – A Pilot Study