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In this paper, we describe the microwave intracavitary hyperthermia for bile duct carcinoma after the biliary stent placement. We designed a new type of coaxial-slot antenna which has multiple slots near the tip for effective heating along the stent. Therefore, we evaluate the pattern around the stent which is heated by electromagnetic wave leaking from stent efficiently.
Microwave thermal therapy is one of the modalities for cancer treatment. There are several schemes of microwave heating. The authors have been studying thin coaxial antenna for intracavitary microwave heating aiming at the treatment of bile duct carcinoma. Up to now, the heating characteristics of the antenna are investigated by numerical simulation and experiment using a tissue-equivalent phantom...
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