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Preliminary Study of Coagulation Monitoring by Antenna for Treatment during Microwave Coagulation Therapy
The Open Biomedical Engineering Journal
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4 Feb 2010 •
RESEARCH ARTICLE
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DOI: 10.2174/1874120701004010013
Abstract
Microwave coagulation therapy (MCT) has been employed mainly for treatment of small size tumors. In the treatment, thin microwave antenna is inserted into the tumor and microwave energy heats up the tumor up to at least 60°C for generation of enough coagulated volume including the target tumor. During the microwave radiation, reflection coefficient of treatment antenna changes significantly. In this paper, possibility of coagulation monitoring was found observing the reflection coefficient change of the antenna by numerical calculations and measurements.
Keywords:: Microwave coagulation therapy, interstitial heating, thin antenna, reflection coefficient, finite-difference timedomain (FDTD) calculation..
