Abstract
The possible use of percutaneous transhepatic microwave tissue coagulation therapy (PMCT) using ultrasonography under local anesthesia for small solitary hepatocellular carcinoma was studied.The subjects were 7 patients having primary or reccurent hepatocellular carcinoma with solitary liver tumor less than 3 cm in size, consisting of 4 primary and 3 reccurent hepatocellular carcinoma, PMCT was performed continuously 3 times at the out put of 30 watts for 30 seconds at time. Tumor was completely coagulated by irradiation from 2 to 6 times judged by enhanced CT.No reccurence of tumor was recognized in the coagulation area. Thus, the results suggest that PMCT is a useful therapy for small hepatocellular carcinoma as a local control.
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