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Percutaneous ethanol injection for hepatocellular carcinoma originating in the caudate lobe
1Department of Radiology and Nuclear Medicine, Kyoto University Faculty of Medicine, Japan. ksj@kuhp.kyoto-u.ac.jp
Background/Aims:
Hepatocellular carcinoma originating in the caudate lobe is rare and the treatments for caudate hepatocellular carcinoma were thought difficult, because of its unique location at hepatic resection, or because of complex arterial supply at transcatheter arterial embolization. Percutaneous ethanol injection is an effective treatment for small hepatocellular carcinoma. The aim of this study was to assess the efficacy of percutaneous ethanol injection for hepatocellular carcinoma originating in the caudate lobe.
Methodology:
During the past 4 years, 7 patients with 7 hepatocellular carcinomas originating in the caudate lobe underwent percutaneous ethanol injection as a curative treatment. The outcomes of percutaneous ethanol injection and the survival of the 7 patients were evaluated.
Results:
Percutaneous ethanol injection was successfully carried out with no severe complications in all patients. During follow-up periods local recurrence was noticed in a patient, that was treated with percutaneous ethanol injection again. Four patients had recurrence in other parts of the liver, who were treated with percutaneous ethanol injection alone or percutaneous ethanol injection and transcatheter arterial embolization. Six patients were alive for 12-55 months after percutaneous ethanol injection and 1 patient died of hepatic failure 15 months after the procedure.
Conclusions:
Percutaneous ethanol injection was a safe and effective treatment, and it would be an alternative therapy for hepatocellular carcinoma originating in the caudate lobe.