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Paper Abstract and Keywords
Presentation 2016-03-01 14:50
High accuracy temperature analysis of biological tissue in microwave coagulation therapy
Yuta Endo, Kazuyuki Saito, Koichi Ito (Chiba Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) In this study, to obtain a more accurate analysis of the temperature in microwave coagulation therapy (MCT) for liver cancer, the water content ratios of dehydrated liver tissue and the dependencies of the dielectric and thermal constants of the tissue on the water content ratios were investigated in tissue heated at 2.45 GHz. Swine liver tissues were heated and dehydrated under various conditions, and the water content ratios and dielectric and thermal constants were measured. The results indicated that the water content ratio of the tissue depended on the heating temperature and that the dielectric constants (relative permittivity and electrical conductivity) and thermal constants (specific heat and thermal conductivity) of the dehydrated tissues strongly depended on the water content ratio. Based on these results, numerical analyses of the electromagnetic field and temperature inside the liver tissue heated with a coaxial-slot antenna were conducted. Incorporating information on the water content ratio improved the accuracy of temperature calculations in MCT.
Keyword (in Japanese) (See Japanese page) 
(in English) dielectric constants / water content ratio / biological tissue / microwave coagulation therapy / / / /  
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Conference Information
Committee AP  
Conference Date 2016-02-29 - 2016-03-01 
Place (in Japanese) (See Japanese page) 
Place (in English) Telecommunications University, Nha Trang, Vietnam 
Topics (in Japanese) (See Japanese page) 
Topics (in English) The 2016 Vietnam-Japan International Symposium on Antennas and Propagation 
Paper Information
Registration To AP 
Conference Code 2016-02-AP 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) High accuracy temperature analysis of biological tissue in microwave coagulation therapy 
Sub Title (in English)  
Keyword(1) dielectric constants  
Keyword(2) water content ratio  
Keyword(3) biological tissue  
Keyword(4) microwave coagulation therapy  
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1st Author's Name Yuta Endo  
1st Author's Affiliation Chiba University (Chiba Univ.)
2nd Author's Name Kazuyuki Saito  
2nd Author's Affiliation Chiba University (Chiba Univ.)
3rd Author's Name Koichi Ito  
3rd Author's Affiliation Chiba University (Chiba Univ.)
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Speaker Author-1 
Date Time 2016-03-01 14:50:00 
Presentation Time 15 minutes 
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