Abstract
Background
Large, multinodular (> 3 nodules and/or > 3 cm) hepatocellular carcinoma (HCC) is not an indication for liver resection based on the Barcelona Clinic Liver Cancer (BCLC) staging classification. We hypothesize that microvascular invasion (MVI) is a strong indication for surgery in these patients.
Methods
Between December 2009 and December 2010, a retrospective cohort of the patients with BCLC intermediate stage HCC undergoing surgical resection at Eastern Hepatobiliary Surgery Hospital was analyzed. Propensity score matching (PSM) was conducted to balance the patients with regard to their baseline characteristics. Survival analysis was performed according to the Kaplan–Meier method. Logistic regression was conducted to identify the predictors of MVI. Risk factors were evaluated using the Cox proportional hazards model.
Results
Among 323 patients, the MVI-negative group (26.0%) had a more favorable prognosis than did the MVI-positive group (5-year recurrence-free survival: 25.2% vs. 7.8%; 5-year overall survival: 49.5% vs. 24.0%). Similar results were identified after PSM. Compared with MVI-negative patients, MVI-positive patients experienced more early recurrence (< 2 years, P = 0.006), multinodular recurrence (P = 0.004), and extrahepatic recurrence (P = 0.026). Total bilirubin levels > 17.1 μmol/L, alpha fetal protein levels > 400 ng/mL, the presence of > 2 nodules, and the lack of a capsule were independent predictors of MVI.
Conclusions
In BCLC intermediate stage HCC, MVI predicted an adverse recurrence pattern and poor prognosis and has the potential to be used as a reference index when deciding whether to operate. Factors predictive of MVI could assist in choosing preoperative treatment and postoperative surveillance.
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Abbreviations
- HCC:
-
Hepatocellular carcinoma
- BCLC:
-
Barcelona Clinic Liver Cancer
- MVI:
-
Microvascular invasion
- PSM:
-
Propensity score matching
- AASLD:
-
American Association for the Study of Liver Diseases
- EASL:
-
European Association for the Study of the Liver
- MHCC:
-
Multiple nodular HCC
- TACE:
-
Transarterial chemoembolization
- IM:
-
Intrahepatic metastasis
- MO:
-
Multicentric occurrence
- ECOG:
-
Eastern Cooperative Oncology Group
- AFP:
-
Alpha fetal protein
- RFS:
-
Recurrence-free survival
- OS:
-
Overall survival
- TBIL:
-
Total bilirubin
- ALB:
-
Albumin
- RBC:
-
Red blood cell
- HR:
-
Hazard ratio
- CI:
-
Confidence interval
- OR:
-
Odds ratio
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Acknowledgments
We thank Hua Yu and Zhen-Ying Cao (Department of Pathology, Eastern Hepatobiliary Surgery Hospital, Shanghai) for their advice regarding the pathological techniques used in this study.
Funding
We received funding from the National Natural Science Foundation of China (Grant No. 81472278 and No. 8150101732), the Funds for Creative Research Groups of the National Natural Science Foundation of China (Grant No. 81521091), and the Scientific Research Foundation of the Shanghai Municipal Commission of Health and Family Planning (Grant No. 20154Y0140) for this study.
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Conception: Wen-Ming Cong; study design: Wen-Ming Cong, Han Wang; administrative support: Meng-Chao Wu; data collection and acquisition: Han Wang, You-Wen Qian; data analysis: Han Wang; manuscript preparation: Han Wang, You-Wen Qian, Wen-Ming Cong; critical revision: Wen-Ming Cong; final approval of manuscript: all authors.
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Supplementary Fig. 1
Cumulative overall survival after the first recurrence in patients with and without microvascular invasion (PNG 230 kb)
Supplementary Fig. 2
Cumulative early recurrence-free survival (2A) and late recurrence-free survival (2B) in patients with and without microvascular invasion (PNG 293 kb)
Supplementary Fig. 3
Cumulative recurrence-free survival (3A) and overall survival (3B) in patients with different degrees of risk for microvascular invasion (PNG 493 kb)
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Wang, H., Qian, YW., Wu, MC. et al. Liver Resection Is Justified in Patients with BCLC Intermediate Stage Hepatocellular Carcinoma without Microvascular Invasion. J Gastrointest Surg 24, 2737–2747 (2020). https://doi.org/10.1007/s11605-019-04251-8
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DOI: https://doi.org/10.1007/s11605-019-04251-8