Objectives:

The predictive factors affecting the survival of hilar cholangiocarcinoma (HC) are ambiguous. This study aimed to identify the predictors and recurrence patterns of HC.

Methods:

A retrospective analysis of the clinicopathological findings of 126 patients with HC from 2009 to 2019 was performed.

Results:

The proportion of Bismuth I and II HC in the recurrence group was higher than that in the non-recurrence group (p < 0.01). The recurrence group had poorer tumor differentiation, a more advanced N stage, and a higher incidence of perineural invasion compared with the non-recurrence group. N stage and tumor differentiation were independently associated with disease-free and overall survival of patients (p < 0.01). Bile duct resection (BDR) combined with hepatectomy was more favorable to disease-free and overall survivals than BDR alone in Bismuth I and II HC, although p values were marginal (p = 0.072 and p = 0.045). A higher proportion of patients in the non-recurrence group underwent BDR combined with hepatectomy than that in the recurrence group (p < 0.01).

Conclusions:

N stage and tumor differentiation are the two independent predictors of patient survival. BDR combined with hepatectomy is recommended for patients with Bismuth I and II hilar cholangiocarcinoma.

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