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Journal of the Korean Liver Cancer Study 2012;12(1):14-15.
Published online February 28, 2012.
Technical Advances in Radiofrequency Ablation of Hepatocellular Carcinoma
Dongil Choi, Hyunchul Rhim, Min Woo Lee
Department of Radiology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
Correspondence:  Dongil Choi,
Email: dichoi@skku.edu
Copyright ©2012 by The Korean Liver Cancer Association
Abstract
Lots of recent technical advances in radiofrequency ablation (RFA) of hepatocellular carcinoma (HCC) have introduced. First, contrast-enhanced ultrasound can help to detect the index tumors, residual tumor, and local recurrence. After contrast-enhanced ultrasound for subtle small tumors, we can perform RFA with high confidence. The use of artificial ascites in RFA is a simple and useful technique to minimize collateral thermal injury and to improve the sonic window. Fusion imaging between US and CT or MR during RFA is useful since US can provide real-time imaging and CT or MR provides high quality images with good contrast and spatial resolution. RFA can be performed with fluoroscopy guidance to lipiodol retention tumors.
Key Words: Radiofrequency ablation; Hepatocellular carcinoma; Contrast-enhanced ultrasound; Artificial ascites; Fusion imaging; Fluoroscopy guidance
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