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  • Title: The clinical presentation and prognostic factors for intrahepatic and extrahepatic cholangiocarcinoma in a tertiary care centre.
    Author: Singal AG, Rakoski MO, Salgia R, Pelletier S, Welling TH, Fontana RJ, Lok AS, Marrero JA.
    Journal: Aliment Pharmacol Ther; 2010 Mar; 31(6):625-33. PubMed ID: 20003093.
    Abstract:
    BACKGROUND: The incidence of cholangiocarcinoma is rising. Accurate predictors of survival at diagnosis are not well defined. AIM: To clarify the clinical presentation and prognostic factors of intrahepatic cholangiocarcinoma and extrahepatic cholangiocarcinoma in a contemporary cohort of patients. METHODS: Records for consecutive patients at the University of Michigan hospital diagnosed with cholangiocarcinoma between January 2003 and April 2008 were reviewed. RESULTS: In all, 136 patients had cholangiocarcinoma (79 intra- and 57 extrahepatic cholangiocarcinoma). Median survival was 27.3 months-25.8 months for intrahepatic cholangiocarcinoma and 30.3 months for extrahepatic cholangiocarcinoma. Independent predictors of mortality at presentation on multivariate analysis were elevated bilirubin level (HR 1.04, 95%CI 1.01-1.07), CA 19-9 levels >100 U/mL (HR 1.90, 95%CI 1.17-3.08) and stage of disease (HR 1.51, 95%CI 1.16-1.96). After adjusting for baseline prognostic factors, surgical therapy was associated with improved survival (HR 0.48; 95% CI 0.26-0.88). There were no significant differences regarding clinical presentation, disease stage (P = 0.98), and survival (P = 0.51) between intra- and extrahepatic cholangiocarcinoma. CONCLUSIONS: Survival for cholangiocarcinoma remains poor with no significant difference in outcomes between intra- and extrahepatic cholangiocarcinoma. Stage of disease, bilirubin level and CA 19-9 level are important prognostic factors at presentation. Surgical therapy provides similar efficacy for both tumours when adjusted for other prognostic variables.
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