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Prognostic evaluation of mucin-5AC expression in intrahepatic cholangiocarcinoma, mass-forming type, following hepatectomy

Prognostic evaluation of mucin-5AC expression in intrahepatic cholangiocarcinoma, mass-forming type, following hepatectomy

European Journal of Surgical Oncology 41(11): 1515-1521

This study aimed to investigate the clinicopathological predictors of survival in patients with intrahepatic cholangiocarcinoma, mass-forming type (ICC-MF), following curative intent hepatectomy. Clinical characteristics and outcomes were analyzed in a series of 42 patients who underwent curative hepatectomy for ICC-MF between February 1987 and December 2012. The relationship between immunohistochemical expression profiles of mucin (MUC) core proteins (MUC2, MUC5AC, and MUC6) and surgical outcomes was examined. The overall median follow-up period was 2.6 years (0.2-17.9). Bile duct reconstruction (p = 0.017), lymph node metastasis (p = 0.049), maximal mass diameter ≥5.0 cm (p = 0.002), and MUC5AC expression (p = 0.003) were identified as significant adverse predictors of overall survival by univariate analysis. Bile duct reconstruction (p = 0.048), maximal mass diameter ≥5.0 cm (p = 0.002), and MUC5AC expression (p = 0.005) were found to be independent predictors of poor prognosis by multivariate analysis. Maximal mass diameter ≥5.0 cm (p = 0.011) was found to be an independent predictor for the tumor recurrence. There was a strong correlation between MUC5AC expression and lymph node metastasis (p = 0.021). MUC6 expression was more frequent in patients with concurrent MUC5AC expression (p = 0.019). MUC5AC expression was significantly related to long-term prognosis and aggressive tumor development, and may be a useful prognostic marker.

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Accession: 058635904

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PMID: 26210654

DOI: 10.1016/j.ejso.2015.07.006

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