Thermal pulse propagation in the search of subcutaneous masses

Marija Strojnik; Tomaz Kranjc; Michelle K. Scholl

doi:10.1117/12.2276701

19 September 2017 Thermal pulse propagation in the search of subcutaneous masses

Marija Strojnik, Tomaz Kranjc, Michelle K. Scholl

Proceedings Volume 10403, Infrared Remote Sensing and Instrumentation XXV; 104030U (2017) https://doi.org/10.1117/12.2276701
Event: SPIE Optical Engineering + Applications, 2017, San Diego, California, United States

Abstract

We examine the mechanisms of pulse propagation inside tissue to determine the spectral intervals wherein the pulse might propagate to an occlusion and reflect from its boundary. We derive analytical expression, showing that the depth of occlusion may be determined upon measuring the time during which the input temperature pulse travels to the inclusion, is reflected from it, and returns to the front of the skin surface. Additionally, we derive the speed of pulse propagation from diffusivity and material time constants. These quantities are calculated from the published tissue parameters; they could also be calibrated for specific classes of the biological samples. For breast tissue monitoring, we propose to use near IR laser pulses.

Citation Download Citation

Marija Strojnik, Tomaz Kranjc, and Michelle K. Scholl "Thermal pulse propagation in the search of subcutaneous masses", Proc. SPIE 10403, Infrared Remote Sensing and Instrumentation XXV, 104030U (19 September 2017); https://doi.org/10.1117/12.2276701

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