Percutaneous Radiofrequency Ablation Therapy of Hepatocellular Carcinoma Using Multitined Expandable Electrodes: Comparison of Subcapsular and Nonsubcapsular Tumors
Yun Ku Cho1,
Hyunchul Rhim2,
Yong Sik Ahn1,
Mi Young Kim1 and
Hyo Keun Lim2
1 Department of Radiology, Seoul Veterans Hospital, 6-2 Dunchon-dong,
Gangdong-gu, Seoul, 134-060, South Korea.
2 Department of Radiology and Center for Imaging Science, Samsung Medical
Center, Sungkyunkwan University School of Medicine, Seoul 135-230, South
Korea.

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Fig. 1A 67-year-old man with hepatocellular carcinoma. Arterial-phase CT
scan shows enhancing subcapsular mass in right lobe of liver
(arrows).
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Fig. 1B 67-year-old man with hepatocellular carcinoma. Arterial-phase CT
scan obtained after radiofrequency ablation shows no evidence of residual
viable tumor (arrows).
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