Use of Intra-Arterial Carbon-Dioxide-Enhanced Ultrasonography for Guidance of Radiofrequency Ablation and Transcatheter Arterial Chemoembolization in Hepatocellular Carcinoma |
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Authors: | Kenji Ohmoto Naoko Yoshioka Yasuyuki Tomiyama Norikuni Shibata Tomoya Kawase Koji Yoshida Makoto Kuboki Shinichiro Yamamoto |
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Affiliation: | (1) Division of Hepatology, Department of Medicine, Kawasaki Medical School, 577 Matsushima, Kurashiki Okayama, 701-0192, Japan |
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Abstract: | A 73-year-old man with hepatitis-C-related cirrhosis and an elevated alpha-fetoprotein level and tumor in segment 3 of his liver was referred for interventional radiologic treatment. He was not a candidate for surgical resection due to impaired liver function and his personal preferences. On conventional ultrasonography no lesion could be detected, but the tumor was clearly depicted by intra-arterial carbon-dioxide-enhanced ultrasonography. Radiofrequency ablation was performed safely and accurately under the guidance of carbon-dioxide-enhanced ultrasonography. By concomitant performance of transcatheter arterial chemoembolization with radiofrequency ablation, extensive necrosis was obtained and adequate tumor volume reduction achieved with only one treatment session. |
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Keywords: | Chemoembolization CO2-enhanced ultrasound Liver tumor Percutaneous ablation |
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