The assessment of therapeutic ultrasound heating by microwave radio-thermometer measurements
2002
A brightness temperature dissipated by biological tissue in vivo and in vitro was measured using a single-frequency microwave radio-thermometer (MRT). The temperature measurement in vivo and in vitro was performed right after therapeutic ultrasound heating (TUH) energy was applied to a specimen of pork and a canine thigh, respectively. Throughout the statistical regression analysis between the brightness temperature measured by MRT and an internal one sensed by a thermocouple sensor, we concluded that MRT could well resolve the internal temperature of biological tissues in terms of an average temperature within a volume-of-interest coupled with a MRT antenna.
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