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Comparison of percutaneous radiofrequency ablation and CyberKnife(®) for initial solitary hepatocellular carcinoma: A pilot study.

Abstract：

AIM:To compare therapeutic outcomes and adverse events in initial solitary hepatocellular carcinoma (HCC) treated with radiofrequency ablation (RFA) and CyberKnife(®). METHODS:Seventy three consecutive patients with initial solitary HCC treated with RFA (38 patients; RFA group) and CyberKnife(®) (35 patients; CK group) were enrolled in this study. Background factors were compared between the two groups. Local and intrahepatic distant recurrence control, and cumulative survival rates were compared between the two groups. These were determined using the Kaplan-Meier method, and the significance of differences was analyzed by log-rank test. The presence of more grade 3 on CTCAE ver. 4.0 early and late adverse events was investigated. RESULTS:In background factors, age was significantly higher (P = 0.005) and the tumor diameter was significantly larger (P = 0.001) in the CK group. The 1-year local recurrence control rates were 97.4% and 97.1% in the RFA and CK groups, respectively (P = 0.71); the 1-year intrahepatic distant recurrence control rates were 85.6% and 86.1%, respectively (P = 0.91); and the 1-year cumulative survival rates were 100% and 95.2%, respectively (P = 0.075), showing no significant difference in any rate between the two groups. There were no late adverse event in the RFA group, but 11.4% in the CK group had late adverse events. In the CK group, the Child-Pugh score at 12 mo after treatment was significantly higher than that in the RFA group (P = 0.003) and significantly higher than the score before treatment (P = 0.034). CONCLUSION:The occurrence of adverse events is a concern, but CyberKnife(®) treatment is likely to become an important option for local treatment of early HCC.

journal_name

World J Gastroenterol

journal_title

World journal of gastroenterology

authors

Shiozawa K,Watanabe M,Ikehara T,Matsukiyo Y,Kogame M,Kishimoto Y,Okubo Y,Makino H,Tsukamoto N,Igarashi Y,Sumino Y

doi

10.3748/wjg.v21.i48.13490

subject

Has Abstract

pub_date

2015-12-28 00:00:00

pages

13490-9

issue

eissn

1007-9327

issn

2219-2840

journal_volume

pub_type

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Comparison of percutaneous radiofrequency ablation and CyberKnife(®) for initial solitary hepatocellular carcinoma: A pilot study.