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Intrahepatic Cholangiocarcinoma: Clinicopathological Differences Between Peripheral Type and Hilar Type

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Journal of Gastrointestinal Surgery Aims and scope

Abstract

Background

Intrahepatic cholangiocarcinoma (ICC) is categorized as peripheral ICC (PICC) or hilar ICC (HICC). The aims of this study are to clarify clinicopathological differences between PICC and HICC and to determine useful prognostic factors for patients with ICC following aggressive surgical resection.

Methods

Medical records of 44 patients with ICC who underwent surgical resection were retrospectively reviewed. Clinicopathological factors were compared between patients with PICC and HICC. Univariate and multivariate models were used to analyze the effect of clinicopathological factors on disease-specific survival.

Results

Disease-specific survival rates for the 44 patients were 76% at 1 year, 60% at 3 years, and 47% at 5 years. Clinicopathological factors did not differ between patients with PICC and HICC except preoperative jaundice (P < 0.001), preoperative biliary drainage (P = 0.001), postoperative complication (P = 0.046), and macroscopic type (P < 0.001). Multivariate analysis revealed that only lymph node status was an independent prognostic factor of disease-specific survival. The 5-year disease-specific survival rates of patients with or without nodal involvement were 23% and 66%, respectively (P = 0.004).

Conclusions

Clinicopathological characteristics are almost similar between patients with PICC and HICC. Nodal involvement is a potent prognostic factor for patients with ICC.

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Correspondence to Yoshiaki Murakami.

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Murakami, Y., Uemura, K., Sudo, T. et al. Intrahepatic Cholangiocarcinoma: Clinicopathological Differences Between Peripheral Type and Hilar Type. J Gastrointest Surg 16, 540–548 (2012). https://doi.org/10.1007/s11605-011-1730-4

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  • DOI: https://doi.org/10.1007/s11605-011-1730-4

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