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Abstract
The possibility of non-invasive determination of the depth of the location and temperature of a cancer tumor in the human body by multi-frequency three-dimensional (3D) radiothermography is considered. The models describing the receiving of the human body’s own radiothermal field processes are presented. The analysis of the possibility of calculating the desired parameters based on the results of measuring antenna temperatures simultaneously in two different frequency ranges is performed. Methods of displaying on the monitor screen the three-dimensional temperature distribution of the subcutaneous layer of the human body, obtained as a result of data processing of a multi-frequency multichannel radiothermograph, are considered. The possibility of more accurate localization of hyperthermia focus caused by the presence of malignant tumors in the depth of the human body with multi-frequency volumetric radiothermography is shown. The results of the study of various methods of data interpolation for displaying the continuous intrinsic radiothermal field of the human body are presented. Examples of displaying the volumetric temperature distribution by the moving plane method based on digital models and the results of an experimental study of the thermal field of the human body and head are given.
Highlights
Thermal anomalies appear simultaneously with pathological processes occurs inside the human body distorting the natural heat field inside the body and on its surface, which can be detected using the method of microwave radiometry [1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17]
The purpose of this article is to show the possibility of 3D visualization of the internal thermal field of a person using the results of measurements of radio brightness temperatures, simultaneously measured at different points of the body, using a multi-channel multi-frequency radiothermograph
A holder resembling a crown is used for the head internal temperature measurements, which is fixed to the back of the chair the patient is sitting on
Summary
Thermal anomalies appear simultaneously with pathological processes occurs inside the human body distorting the natural heat field inside the body and on its surface, which can be detected using the method of microwave radiometry [1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17]. The introduction of a thermal sensor under the skin distorts the natural heat field and can cause damage to internal organs
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