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  • Title: Prognosis of perihilar cholangiocarcinoma: hilar bile duct cancer versus intrahepatic cholangiocarcinoma involving the hepatic hilus.
    Author: Sano T, Shimada K, Sakamoto Y, Ojima H, Esaki M, Kosuge T.
    Journal: Ann Surg Oncol; 2008 Feb; 15(2):590-9. PubMed ID: 18057991.
    Abstract:
    BACKGROUND: Clinically hepatobiliary resection is indicated for both hilar bile duct cancer (BDC) and intrahepatic cholangiocarcinoma involving the hepatic hilus (CCC). The aim of this study was to compare the long-term outcome of BDC and CCC. METHODS: Between 1990 and 2004, we surgically treated 158 consecutive patients with perihilar cholangiocarcinoma. The clinicopathological data on all of the patients were analyzed retrospectively. RESULTS: The overall 3-year survival rate, 5-year survival rate, and median survival time for BDC patients were 48.4%, 38.4 %, and 33.7 months, respectively, and 35.8%, 24.5 %, and 22.7 months, respectively, in CCC patients (P = .033). On multivariate analysis, three independent factors were related to longer survival in BDC patients: achieved in curative resection with cancer free margin (R0) (P = .024, odds ratio 1.862), well differentiated or papillary adenocarcinoma (P = .011, odds ratio 2.135), and absence of lymph node metastasis (P < .001, odds ratio 3.314). Five factors were related to longer survival in CCC patients: absence of intrahepatic daughter nodules (P < .001, odds ratio 2.318), CEA level </=2.9 ng/mL (P = .005, odds ratio 2.606), no red blood cell transfusion requirement (P = .016, odds ratio 2.614), absence or slight degree of lymphatic system invasion (P < .001, odds ratio 4.577), and negative margin of the proximal bile duct (P = .003, odds ratio 7.398). CONCLUSIONS: BDC and CCC appear to have different prognoses after hepatobiliary resection. Therefore, differentiating between these two categories must impact the prediction of postoperative survival in patients with perihilar cholangiocarcinoma.
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