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Published in: Annals of Surgical Oncology 6/2017

01-06-2017 | Hepatobiliary Tumors

Prognosis of Intrahepatic Cholangiocarcinomas with HBV Infection is Better than Those with Hepatolithiasis After R0 Liver Resection: A Propensity Score Matching Analysis

Authors: Qing Wang, MD, Jun Li, MD, Zhengqing Lei, MD, Dong Wu, MD, Anfeng Si, MD, Kui Wang, MD, Yizhou Wang, MD, Xuying Wan, MD, Wan Yee Lau, MD, Feng Shen, MD

Published in: Annals of Surgical Oncology | Issue 6/2017

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Abstract

Background

The impact of different causative factors of intrahepatic cholangiocarcinoma (ICC) on disease outcome remains largely unknown. This study aimed to evaluate the prognosis of ICC patients with different pathogenic factors after hepatectomy.

Methods

Data of 731 consecutive patients undergoing R0 liver resection for ICC at The Eastern Hepatobiliary Surgery Hospital between 2004 and 2010 were analyzed. These patients were divided into the hepatitis B virus-related (HBV-ICC, n = 519), hepatolithiasis-related (stone-ICC, n = 87), HBV plus hepatolithiasis-related (HBV/stone-ICC, n = 45), and other etiologies-related (other-ICC, n = 80) ICC groups. Propensity score matching (PSM) was used to eliminate the baseline differences between these groups.

Results

In these four groups, the 5-year tumor recurrence and overall survival (OS) rates were 75.4, 90.3, 83.0 and 81.9%, and 32.7, 16.3, 17.7 and 22.6%, respectively. The significant differences in recurrence and OS were identified between the HBV- and stone-ICC groups (both p < 0.001). In these two groups, most of the independent prognostic predictors were similar, but tumor diameter >5 cm was demonstrated as a risk factor in the HBV-ICC patients only, and surgical margin <1 cm and human epidermal growth factor receptor 2-positive were demonstrated as risk factors in the stone-ICC patients only. With PSM, 75 patients in each of the HBV- and stone-ICC cohorts were created, and the 5-year recurrence and OS rates were 69.9 versus 88.6, and 34.6 versus 19.2%, respectively (p = 0.017, 0.027).

Conclusion

Patients with HBV-ICC achieved better outcomes than those with stone-ICC. This prognostic difference was probably associated with biological malignant invasiveness rather than tumor stage.
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Metadata
Title
Prognosis of Intrahepatic Cholangiocarcinomas with HBV Infection is Better than Those with Hepatolithiasis After R0 Liver Resection: A Propensity Score Matching Analysis
Authors
Qing Wang, MD
Jun Li, MD
Zhengqing Lei, MD
Dong Wu, MD
Anfeng Si, MD
Kui Wang, MD
Yizhou Wang, MD
Xuying Wan, MD
Wan Yee Lau, MD
Feng Shen, MD
Publication date
01-06-2017
Publisher
Springer International Publishing
Published in
Annals of Surgical Oncology / Issue 6/2017
Print ISSN: 1068-9265
Electronic ISSN: 1534-4681
DOI
https://doi.org/10.1245/s10434-016-5751-9

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