アクティブ・サーモグラフィ法による乳ガン検査の可能性の検討

概要

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We manufactured a far infrared ray (FIR) heater that uses natural zeolite as the radiation body, and conducted active thermography to heat the body surface with this FIR heater. We also evaluated the possible application for breast cancer inspection by examining eight subjects with breast cancer using this system. From the results of the thermal image and histogram analysis, we found that the temperature of the tumor region was higher than the normal tissue region in six out of eight subjects just before heating, and after heating for 1 or 2 minutes. Also, the d<I>T</I>s/d<I>T</I>r property was different from the tumor and blood vessel regions after heating for 1 or 2 minutes. This may become an important criterion in discriminating between tumor and blood vessel regions automatically in thermal images.
社団法人照明学会の論文