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Percutaneous radiofrequency ablation of liver dome hepatocellular carcinoma invisible on ultrasonography: a new targeting strategy

Departments of ¹ Radiology and ² Internal Medicine, Konkuk University School of Medicine, 4-12 Hwayang-dong, Gwangjin-gu, Seoul, 143-729, South Korea

Correspondence: Young Jun Kim, MD, Department of Radiology, Konkuk University College of Medicine, 4-12 Hwayang-dong, Gwangjin-gu, Seoul, 143-729, South Korea. E-mail: yjkim{at}kuh.ac.kr

Targeting of index tumours is prerequisite to their radiofrequency ablation. However, small hepatocellular carcinomas (HCCs) in the liver dome are often invisible on ultrasonography, thus causing difficulty in their targeting. In cases with multinodular HCCs, adjacent HCC lesions with compact iodized oil retention can be used as anatomic landmarks to guide radiofrequency (RF) ablation of such nodules under fluoroscopy. We present two cases in which nodules that were difficult to target with conventional methods were successfully treated by RF ablation using this targeting strategy.

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				M W LEE, Y J KIM, S W PARK, J H HWANG, S I JUNG, H J JEON, and W K KWON Percutaneous radiofrequency ablation of small hepatocellular carcinoma invisible on both ultrasonography and unenhanced CT: a preliminary study of combined treatment with transarterial chemoembolisation Br. J. Radiol., November 1, 2009; 82(983): 908 - 915. [Abstract] [Full Text] [PDF]