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http://dx.doi.org/10.7742/jksr.2022.16.6.751

An Analysis of Temperature Change and TI MI using Tissue Mimicking Phantom in Ultrasonic Examination  

Cheol-Min, Jeon (Comprehensive Medical Examination Center, Cmmam Samsung Hospital)
Jae-Bok, Han (Department of Radiology, Dongshin University)
Jong-Gil ,Kwak (Department of Radiological Technology, Gwangju Health University)
Jong-Nam, Song (Department of Radiology, Dongshin University)
Publication Information
Journal of the Korean Society of Radiology / v.16, no.6, 2022 , pp. 751-759 More about this Journal
Abstract
Currently, ultrasound examination for diagnostic ultrasound and health examination purposes is widely used, and it is showing an increasing trend due to the application of health insurance. However, the risk of ultrasound has not been clearly identified so far, and in this study, surface and deep temperature changes according to frequency and mode were measured by using a tissue mimicking phantom and TI and MI values were compared. A simulated phantom was manufactured by adding a small amount of kappa-caraginan powder with acoustic characteristics similar to that of the human body and potassium chloride for solidification, and the change of surface and depth temperature was measured using a surface thermometer and a probe thermometer. As a result, the convex probe using low frequency showed a higher temperature increase than the linear probe using high frequency, so there was a significant difference, and the temperature increase was the highest on the surface, and the depth of 1cm showed a temporary temperature increase, but there was no significant temperature change. There was no change in the deep temperature of 5 cm to 15 cm, and the TI and MI values did not change during the test time. Since only the surface temperature rose during the 15-minute test and there was no temperature change in the core, so it is not expected to show a temperature change that is harmful to the human body. However, it is thought that prolonged examination of one area may cause temperature rise, so it should be avoided.
Keywords
Kappa-carrageenan; Tissue mimicking phantom; Ultrasonic temperature rise; Ultrasonic hazard;
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Times Cited By KSCI : 3  (Citation Analysis)
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