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Extrahepatic Cholangiocarcinoma (extrahepatic + cholangiocarcinoma)

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Medical Sciences	100%

Selected Abstracts

The clinical presentation and prognostic factors for intrahepatic and extrahepatic cholangiocarcinoma in a tertiary care centre

ALIMENTARY PHARMACOLOGY & THERAPEUTICS, Issue 6 2010
A. G. SINGAL
Aliment Pharmacol Ther,31, 625,633 Summary 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. [source]

Clinical impact of intraoperative histological examination of the ductal resection margin in extrahepatic cholangiocarcinoma

BRITISH JOURNAL OF SURGERY (NOW INCLUDES EUROPEAN JOURNAL OF SURGERY), Issue 9 2010
M. Konishi
Background: Although ductal resection margin status in extrahepatic cholangiocarcinoma is evaluated by intraoperative histological examination of frozen sections, its clinical relevance remains controversial. Methods: Material taken from patients who underwent R0 or R1 resection for extrahepatic cholangiocarcinoma with intraoperative histological examination of the final ductal resection margins between 1994 and 2003 were reviewed. The following histological classification was used: insufficient, negative for malignancy (NM), undetermined lesion (UDL) or positive for malignancy (PM). Multivariable analyses of overall survival and anastomotic recurrence in relation to ductal margin status were performed. Results: Resection material from 363 patients was identified. For the proximal ductal margin, only PM in intramural lesions was significantly associated with poor survival (hazard ratio (HR) 1·72, 95 per cent confidence interval (c.i.) 1·06 to 2·74) and anastomotic recurrence (HR 6·39, 95 per cent c.i. 1·89 to 21·62) compared with NM. In analysis of overall survival according to distal ductal margin status, the HRs for UDL and PM lesions in comparison with NM were not significant. Conclusion: PM in intramural lesions found during intraoperative histological examination of the proximal ductal resection margin was related to clinical outcome. This finding favours additional resection of the bile duct. A similar association was not found for histology results of the distal resection margin. Copyright © 2010 British Journal of Surgery Society Ltd. Published by John Wiley & Sons, Ltd. [source]