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  • Title: Subsegmental transcatheter arterial embolization for small hepatocellular carcinoma.
    Author: Itsubo M, Koike K, Tsuno S, Osada M, Komuro O, Shimada N, Okuda J, Fukada H, Okuaki Y, Kawabe T, Toda G.
    Journal: Hepatogastroenterology; 2002; 49(45):735-9. PubMed ID: 12063981.
    Abstract:
    BACKGROUND/AIMS: The evaluation of long-term outcome of subsegmental transcatheter arterial embolization, which was designed to bring about sufficient anti-tumor effect, in the primary cases of small hepatocellular carcinoma. METHODOLOGY: We analyzed and compared the anti-tumor effect and the survival rate in the primary cases of solitary small hepatocellular carcinoma (< or = 3 cm) with cirrhosis treated by subsegmental transcatheter arterial embolization, chemolipiodolization or percutaneous ethanol injection therapy during the last eight years, retrospectively. RESULTS: The complete tumor necrosis by one session of subsegmental transcatheter arterial embolization, which means that treated tumor showed complete response and did not show local recurrence thereafter, was seen in approximately 50% of the cases. The rate of complete tumor necrosis was superior to that in the patients treated by chemolipiodolization although it was lower than that in the patients treated by percutaneous ethanol injection therapy. Both of the 5- and 7-year survival rates in the patients treated by subsegmental transcatheter arterial embolization were 41.2%. It was slightly higher than those in the other treatment groups without significant difference. CONCLUSIONS: Subsegmental transcatheter arterial embolization might be effectively performed as an initial treatment for the primary cases of the solitary small hepatocellular carcinoma when tumor was fully supplied by hepatic arterial blood regardless of small size.
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