Abstract
Purpose
This prospective study was performed to investigate long-term (8-year) survival in patients with solitary large hepatocellular carcinoma (HCC) ranging from 5 to 7 cm who underwent transarterial chemoembolization (TACE) combined with radiofrequency ablation (RFA) and identify factors that significantly affected outcomes.
Methods
Forty-eight patients with large HCC (36 men, 12 women; mean age, 57.0 ± 11.2 [range, 37–82] years) without fever or signs of infection were enrolled. All patients were treated with TACE + RFA. Overall survival (OS) and disease-free survival (DFS) were calculated using the Kaplan–Meier method. Prognostic factors were assessed using the Cox hazards regression method.
Results
The median OS duration was 47.0 months, and the 1-, 3-, 5-, and 8-year OS rates were 73%, 57%, 53%, and 27%, respectively. The median DFS duration was 9.05 (3.99–12.01) months, and the 1-, 3-, and 5-year DFS rates were 35%, 9%, and 0%, respectively. Cox hazards regression analysis revealed that the Child–Pugh class, platelet count, lymphocyte-to-monocyte ratio (LMR), and DFS were independent predictive factors of OS (p = 0.000, 0.003, 0.020, and 0.000, respectively). The LMR and platelet-to-lymphocyte ratio (PLR) were independent predictive factors of recurrence (p = 0.046 and 0.016, respectively).
Conclusion
TACE + RFA may be a safe and effective treatment for selected solitary large HCC ranging from 5 to 7 cm. Measurement of the LMR (> 4) and PLR (≤ 100) in peripheral blood before the intervention might help to identify which patients with solitary large HCC are suitable for TACE + RFA.
Registration number: ChiCTR-TRC-12002768 (https://www.chictr.org.cn).
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Abbreviations
- HCC:
-
Hepatocellular carcinoma
- CLIP:
-
Cancer of the liver Italian program
- CT:
-
Computed tomography
- TACE:
-
Transarterial chemoembolization
- RFA:
-
Radiofrequency ablation
- ECOG:
-
Eastern cooperative oncology group
- CR:
-
Complete response
- BCLC:
-
Barcelona clinic liver cancer group
- OS:
-
Overall survival
- DFS:
-
Disease-free survival
- PLR:
-
Platelet-to-lymphocyte ratio
- LMR:
-
Lymphocyte-to-monocyte ratio
- AFP:
-
Alpha fetoprotein
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Acknowledgements
We thank Angela Morben, DVM, ELS, from Liwen Bianji, Edanz Editing China (www.liwenbianji.cn/ac), for editing the English text of a draft of this manuscript.
Funding
This clinical research projects supported by Beijing municipal science& Technology Commission (Number: Z171100001017063). At the same time, the work was supported by 2019 Project of Clinical Cooperation capacity Building of traditional Chinese and Western Medicine for Major difficult Diseases.
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Long, J., Wang, H., Zhao, P. et al. Transarterial chemoembolization combined with radiofrequency ablation for solitary large hepatocellular carcinoma ranging from 5 to 7 cm: an 8-year prospective study. Abdom Radiol 45, 2736–2747 (2020). https://doi.org/10.1007/s00261-020-02612-5
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DOI: https://doi.org/10.1007/s00261-020-02612-5