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ISSN 2063-5346
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A New Paradigm to Investigate and Differentiate Formalin-Fixed Oral Malignant, Benign and Cyst Tissue Samples using Active Pulsed Thermography

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S. Stella Jenifer Isbella, K. A. Sunitha, K. T. Magesh, M Menaka, P. A. Sridhar
» doi: 10.48047/ecb/2023.12.si4.464

Abstract

Active thermography (AT) is a non-destructive testing method that has been intensively investigated for the characterization and assessment of biological and industrial materials, among other things. Passive thermal imaging is limited to distinguishing between an oral malignant, benign, and cyst based on temperature differences. The proposed work introduces the Active pulsed thermography (AT) technique to investigate ten oral malignant, benign, and cysts samples. Each specimen sample provides more physiologically relevant measures with good contrast based on the rate of change in temperature and thermal recovery time. The experimental result shows that with heating modulation, we discovered that the average rate of temperature change in the tumor (0.35 ± 0.10°C/sec) was greater than that of benign and cyst tissue (0.33 ± 0.1 °C/sec) and (0.28 ± 0.1 °C/sec). Thermal recovery time in cancer tissue, on the other hand, was shorter (τ=0.6 ± 0.3sec) than in benign tissue (τ = 0.48 ±0.24 sec) and cyst (τ=0.46 ±0.22sec). The results are validated with the gold standard histopathology techniques. Because of its intrinsic label-free and physiology-based approach, our findings imply that Active Pulsed Thermography may be a promising tumour detection method for clinical use in the future.

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