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  • Title: Intrahepatic pseudoaneurysm: a complication following radio-frequency ablation therapy for hepatocellular carcinoma.
    Author: Tamai F, Furuse J, Maru Y, Yoshino M.
    Journal: Eur J Radiol; 2002 Oct; 44(1):40-3. PubMed ID: 12350410.
    Abstract:
    A 70-year-old male was admitted to hospital for a liver tumor. We diagnosed that hepatocellular carcinoma (HCC), 1.5 cm in diameter, by several examinations. We performed ultrasonically guided radio-frequency ablation (RFA). Ultrasonography (US) 9 days post-therapy revealed a cystic lesion 1.5 cm in diameter. Color Doppler US revealed color imaging throughout the lesion and dynamic computed tomography (CT) demonstrated an area of hyperattenuation. Intrahepatic pseudoaneurysm was diagnosed. On 14 days post-therapy, no color signals on color Doppler US or enhanced areas on CT were seen. We submit that pseudoaneurysm should be recognized as a complication of radio-frequency ablation.
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