Monitoring tumor state from thermal images in animal and human models

Medical Physics
Michal Tepper, Israel Gannot

Abstract

Thermography is a potentially useful method for tumor progress monitoring since it is noninvasive, nonradiative, low-cost, and rapid. Perfusion and metabolism are dominant factors for determining tumor temperature difference and are also correlated to the tumor's growth rate. Therefore, estimating them from the tumor thermal image can be a very useful tumor monitoring method, since thermal changes occur before physical changes. The goal of this work was to study the effect of tumor state on the thermal image in different tumor types, using simulations and measurements. Simulated tumor models, representing flat and extruding tumors, typical to transplantable and natural tumors, respectively, were simulated and the effects of tumor metabolism and perfusion on the temperature difference were analyzed. Data regarding tumor size and measured temperature differences were obtained from the literature, discussing five types of transplantable tumors in mice and rats. The growth rates of all tumors were calculated by fitting tumor size measurements to a tumor growth model and were used as an indicator to tumor aggressiveness. Tumor temperature difference was calculated by taking the effect of its extruding shape into account, according t...Continue Reading

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Citations

Apr 12, 2016·International Journal of Dermatology·Shoná A BurkesMarty O Visscher
Mar 17, 2018·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Idan SteinbergIsrael Gannot
Apr 20, 2016·Journal of Toxicology and Environmental Health. Part a·Nili GreenbergBoris A Portnov
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Oct 7, 2020·Journal of Feline Medicine and Surgery·Andressa Gianotti Campos NitriniJulia Maria Matera
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