Objective: To evaluate the value of radiofrequency ablation in the treatment of small hepatocellular carcinoma (HCC).
Methods: MEDLINE (1966 - 2008), EMBASE (1966 - 2008), CBMdisc (1978 - 2008) were searched. The Cochrane Library, Evidence Base Medicine Reviews (Ovid Edition), Cancerlit (1993 - 2008) and so on, date of last search: 30 January 2008. There were no restrictions in language. Randomized controlled trials (RCTs) and non-RCTs were both included in this study, and the quality of each included study was assessed. Meta-analysis was performed by RevMan 4.2 software.
Results: Four prospective controlled studies and two retrospective studies met the inclusion criteria. The results of meta-analysis showed that 1-, 3-, 4-year survival rates and 1-year tumor-free survival rate had not statistically significant difference in RFA group compared with surgical resection group (P > 0.05), but surgical resection was more effective to improve 3-year tumor-free survival rate than RFA (P < 0.05).
Conclusions: The effect of RFA therapy on small HCC is similar to resection, RFA could be considered as the first-line treatment of choice for surgical candidates with small HCC in cirrhotic patients.
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