Acknowledgement
We thank Chris Woo, BA for his English editing.
References
- European Association for the Study of the Liver. EASL clinical practice guidelines: management of hepatocellular carcinoma. J Hepatol 2018;69:182-236 https://doi.org/10.1016/j.jhep.2018.03.019
- Korean Liver Cancer Association (KLCA), National Cancer Center (NCC). 2018 Korean Liver Cancer Association-National Cancer Center Korea practice guidelines for the management of hepatocellular carcinoma. Korean J Radiol 2019;20:1042-1113 https://doi.org/10.3348/kjr.2019.0140
- Heimbach JK, Kulik LM, Finn RS, Sirlin CB, Abecassis MM, Roberts LR, et al. AASLD guidelines for the treatment of hepatocellular carcinoma. Hepatology 2018;67:358-380 https://doi.org/10.1002/hep.29086
- Ng KKC, Chok KSH, Chan ACY, Cheung TT, Wong TCL, Fung JYY, et al. Randomized clinical trial of hepatic resection versus radiofrequency ablation for early-stage hepatocellular carcinoma. Br J Surg 2017;104:1775-1784 https://doi.org/10.1002/bjs.10677
- Chen MS, Li JQ, Zheng Y, Guo RP, Liang HH, Zhang YQ, et al. A prospective randomized trial comparing percutaneous local ablative therapy and partial hepatectomy for small hepatocellular carcinoma. Ann Surg 2006;243:321-328 https://doi.org/10.1097/01.sla.0000201480.65519.b8
- Feng K, Yan J, Li X, Xia F, Ma K, Wang S, et al. A randomized controlled trial of radiofrequency ablation and surgical resection in the treatment of small hepatocellular carcinoma. J Hepatol 2012;57:794-802 https://doi.org/10.1016/j.jhep.2012.05.007
- Xu XL, Liu XD, Liang M, Luo BM. Radiofrequency ablation versus hepatic resection for small hepatocellular carcinoma: systematic review of randomized controlled trials with meta-analysis and trial sequential analysis. Radiology 2018;287:461-472 https://doi.org/10.1148/radiol.2017162756
- Lee DH, Kim JW, Lee JM, Kim JM, Lee MW, Rhim H, et al. Laparoscopic liver resection versus percutaneous radiofrequency ablation for small single nodular hepatocellular carcinoma: comparison of treatment outcomes. Liver Cancer 2021;10:25-37 https://doi.org/10.1159/000510909
- Kang TW, Kim JM, Rhim H, Lee MW, Kim YS, Lim HK, et al. Small hepatocellular carcinoma: radiofrequency ablation versus nonanatomic resection-propensity score analyses of long-term outcomes. Radiology 2015;275:908-919 https://doi.org/10.1148/radiol.15141483
- Lee DH, Lee JM, Lee JY, Kim SH, Yoon JH, Kim YJ, et al. Radiofrequency ablation of hepatocellular carcinoma as first-line treatment: long-term results and prognostic factors in 162 patients with cirrhosis. Radiology 2014;270:900-909 https://doi.org/10.1148/radiol.13130940
- Ahmed M, Brace CL, Lee FT Jr, Goldberg SN. Principles of and advances in percutaneous ablation. Radiology 2011;258:351-369 https://doi.org/10.1148/radiol.10081634
- Seror O, N'Kontchou G, Nault JC, Rabahi Y, Nahon P, Ganne-Carrie N, et al. Hepatocellular carcinoma within milan criteria: no-touch multibipolar radiofrequency ablation for treatment-Long-term results. Radiology 2016;280:611-621 https://doi.org/10.1148/radiol.2016150743
- Hocquelet A, Aube C, Rode A, Cartier V, Sutter O, Manichon AF, et al. Comparison of no-touch multi-bipolar vs. monopolar radiofrequency ablation for small HCC. J Hepatol 2017;66:67-74 https://doi.org/10.1016/j.jhep.2016.07.010
- Kawamura Y, Ikeda K, Fujiyama S, Hosaka T, Kobayashi M, Saitoh S, et al. Potential of a no-touch pincer ablation procedure that uses a multipolar radiofrequency ablation system to prevent intrasubsegmental recurrence of small and single hepatocellular carcinomas. Hepatol Res 2017;47:1008-1020 https://doi.org/10.1111/hepr.12838
- Seror O, N'Kontchou G, Van Nhieu JT, Rabahi Y, Nahon P, Laurent A, et al. Histopathologic comparison of monopolar versus no-touch multipolar radiofrequency ablation to treat hepatocellular carcinoma within Milan criteria. J Vasc Interv Radiol 2014;25:599-607 https://doi.org/10.1016/j.jvir.2013.11.025
- Chai Y, Li K, Zhang C, Chen S, Ma K. The short-term efficacy of no-touch radiofrequency ablation in treating cirrhosis-based small hepatocellular carcinoma. BMC Cancer 2019;19:497
- Hirooka M, Hiraoka A, Ochi H, Koizumi Y, Michitaka K, Joko K, et al. Prospective cohort trial to confirm the efficacy of no-touch radio frequency ablation. J Gastroenterol Hepatol 2019;34:567-574 https://doi.org/10.1111/jgh.14476
- Lee JM, Han JK, Kim SH, Lee JY, Shin KS, Choi BI. An ex-vivo experimental study on optimization of bipolar radiofrequency liver ablation using perfusion-cooled electrodes. Acta Radiol 2005;46:443-451 https://doi.org/10.1080/02841850510021418
- Korean Liver Cancer Study Group (KLCSG), National Cancer Center, Korea (NCC). 2014 Korean Liver Cancer Study Group-National Cancer Center Korea practice guideline for the management of hepatocellular carcinoma. Korean J Radiol 2015;16:465-522 https://doi.org/10.3348/kjr.2015.16.3.465
- Ahn SJ, Lee JM, Lee DH, Lee SM, Yoon JH, Kim YJ, et al. Real-time US-CT/MR fusion imaging for percutaneous radiofrequency ablation of hepatocellular carcinoma. J Hepatol 2017;66:347-354 https://doi.org/10.1016/j.jhep.2016.09.003
- Kim TH, Choi HI, Kim BR, Kang JH, Nam JG, Park SJ, et al. No-touch radiofrequency ablation of VX2 hepatic tumors in vivo in rabbits: a proof of concept study. Korean J Radiol 2018;19:1099-1109 https://doi.org/10.3348/kjr.2018.19.6.1099
- Ahmed M, Solbiati L, Brace CL, Breen DJ, Callstrom MR, Charboneau JW, et al. Image-guided tumor ablation: standardization of terminology and reporting criteria--a 10-year update. Radiology 2014;273:241-260 https://doi.org/10.1148/radiol.14132958
- Sacks D, McClenny TE, Cardella JF, Lewis CA. Society of Interventional Radiology clinical practice guidelines. J Vasc Interv Radiol 2003;14:S199-S202 https://doi.org/10.1097/01.RVI.0000094584.83406.3e
- Shropshire EL, Chaudhry M, Miller CM, Allen BC, Bozdogan E, Cardona DM, et al. LI-RADS treatment response algorithm: performance and diagnostic accuracy. Radiology 2019;292:226-234 https://doi.org/10.1148/radiol.2019182135
- Ten Have TR, Normand SL, Marcus SM, Brown CH, Lavori P, Duan N. Intent-to-treat vs. non-intent-to-treat analyses under treatment non-adherence in mental health randomized trials. Psychiatr Ann 2008;38:772-783 https://doi.org/10.3928/00485713-20081201-10
- Ueki T, Sakaguchi S, Miyajima Y, Hatono N, Tohara K, Nakabayashi S, et al. Usefulness of tumor pressure as a prognostic factor in cases of hepatocellular carcinoma where the diameter of the tumor is 3 cm or less. Cancer 2002;95:596-604 https://doi.org/10.1002/cncr.10690
- Mohkam K, Dumont PN, Manichon AF, Jouvet JC, Boussel L, Merle P, et al. No-touch multibipolar radiofrequency ablation vs. surgical resection for solitary hepatocellular carcinoma ranging from 2 to 5 cm. J Hepatol 2018;68:1172-1180 https://doi.org/10.1016/j.jhep.2018.01.014
- Mohkam K, Rode A, Mabrut JY. Influence of ablation technique on treatment failure for perivascular hepatocellular carcinoma. J Hepatol 2018;69:750-751 https://doi.org/10.1016/j.jhep.2018.04.027
- Tanaka T, Yamanaka N, Oriyama T, Furukawa K, Okamoto E. Factors regulating tumor pressure in hepatocellular carcinoma and implications for tumor spread. Hepatology 1997;26:283-287 https://doi.org/10.1002/hep.510260205
- Otsuka Y, Kaneko H. Laparoscopic liver resection in the treatment of HCC with liver cirrhosis: would it provide superiority to conventional open hepatectomy? Hepatobiliary Surg Nutr 2017;6:356-358 https://doi.org/10.21037/hbsn.2017.06.02
- Yoon JH, Lee JM, Woo S, Hwang EJ, Hwang I, Choi W, et al. Switching bipolar hepatic radiofrequency ablation using internally cooled wet electrodes: comparison with consecutive monopolar and switching monopolar modes. Br J Radiol 2015;88:20140468
- Lee MW. Fusion imaging of real-time ultrasonography with CT or MRI for hepatic intervention. Ultrasonography 2014;33:227-239 https://doi.org/10.14366/usg.14021
- Lee DH, Lee JM. Recent advances in the image-guided tumor ablation of liver malignancies: radiofrequency ablation with multiple electrodes, real-time multimodality fusion imaging, and new energy sources. Korean J Radiol 2018;19:545-559 https://doi.org/10.3348/kjr.2018.19.4.545
- Kang TW, Lim HK, Lee MW, Kim YS, Rhim H, Lee WJ, et al. Long-term therapeutic outcomes of radiofrequency ablation for subcapsular versus nonsubcapsular hepatocellular carcinoma: a propensity score matched study. Radiology 2016;280:300-312 https://doi.org/10.1148/radiol.2016151243