Intrahepatic Cholangiocarcinoma: Clinicopathological Differences Between Peripheral Type and Hilar Type

Overview

Journal J Gastrointest Surg

Specialty Gastroenterology

Date 2011 Oct 21

PMID 22012305

Citations 14

Authors

Yoshiaki Murakami

Kenichiro Uemura

Takeshi Sudo

Yasushi Hashimoto

Akira Nakashima

Taijiro Sueda

Affiliations

Soon will be listed here.

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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