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Published in: BMC Cancer 1/2018

Open Access 01-12-2018 | Research article

The prognostic value of microvascular invasion in early-intermediate stage hepatocelluar carcinoma: a propensity score matching analysis

Authors: Junyi Shen, Jun Wen, Chuan Li, Tianfu Wen, Lvnan Yan, Bo Li, Jiayin Yang, Changli Lu

Published in: BMC Cancer | Issue 1/2018

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Abstract

Background

Microvascular invasion (MVI) is well established as a negative prognostic factor for hepatocelluar carcinoma (HCC). However, its prognostic value in different subgroups of Barcelona Clinical Liver Cancer (BCLC) stages remains to be elucidated.

Methods

Four hundred fifty-eight MVI-negative and 204 MVI-positive patients who underwent hepatectomy were retrospectively analyzed. After propensity score matching (PSM) analysis, 187 pairs of matched patients were generated. Long-term survival was compared by the Kaplan–Meier method.

Results

Patients with MVI commonly had more advanced tumors. All the patients with MVI had significantly worse survival rate compared to the patients without MVI before and after PSM(p < 0.001). In the subgroup analysis, BCLC stage A HCC patients without MVI had better prognosis than those with MVI before and after PSM (p < 0.001 and p = 0.024). For BCLC stage B HCCs, long-term survival was significantly better for patients without MVI before PSM(p = 0.001). However, the overall survival (OS) rate was comparable between both groups after PSM (p = 0.682), although MVI-positive group had a higher rate of recurrence (p = 0.011).. Surgery type, satellite lesions, tumor size, and serum ALT level were statistically significant factors associated with survival in MVI-positive group. Tumor number, tumor size and neutrophil to lymphocyte ratio (NLR) were predictors of survival in MVI-negative group.

Conclusions

Its prognostic value in different subgroups of BCLC stages differed. MVI is an independent predictor of prognosis in patients with BCLC stage A. For BCLC stage B HCCs, MVI-positive group had poor prognosis through more advanced HCCs.
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Metadata
Title
The prognostic value of microvascular invasion in early-intermediate stage hepatocelluar carcinoma: a propensity score matching analysis
Authors
Junyi Shen
Jun Wen
Chuan Li
Tianfu Wen
Lvnan Yan
Bo Li
Jiayin Yang
Changli Lu
Publication date
01-12-2018
Publisher
BioMed Central
Published in
BMC Cancer / Issue 1/2018
Electronic ISSN: 1471-2407
DOI
https://doi.org/10.1186/s12885-018-4196-x

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