開腹下マイクロ波凝固療法と術後温熱化学療法が奏功した肝細胞癌の１例―門脈腫瘍栓に対するマイクロ波凝固

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A case of advanced multiple hepatocellular carcinoma (HCC) was reported, which could be treated successfully by microwave coagulation method under laparotomy and chemo-hyperthermia.A 71-year old man with HCC combined with severe liver cirrhosis was admitted, who reccured with a protruding tumor of S4 and tumor thrombus into the left main portal vein after 4-times of transarterial emborization. Tumor and tumor thrombus were treated by microwave coagulation method under laparotomy, using microwave tissue coagulator (Microtaze®) and thereafter chemo-hyperthermia therapy was added continuously. He is alive keeping good quality of life 20 months later. Hepatoma was well controlled. The coagulated regions were persistent without local growth.On the literature, this is the first case that microwave coagulation method was applied to the treatment of tumor thrombus of portal vein.