Eventos Anais de eventos
COBEM 2023
27th International Congress of Mechanical Engineering
Numerical analysis of infrared thermography using hypothermia treatment for early screening of deep and superficial breast cancer
Submission Author:
Tarcio Cardoso , MG , Brazil
Co-Authors:
Tarcio Cardoso, Mateus Felipe Benicio Moraes, Alisson Figueiredo
Presenter: Mateus Felipe Benicio Moraes
doi://10.26678/ABCM.COBEM2023.COB2023-2237
Abstract
The aim of this work is to numerically analyze the thermal contrast during hypothermia treatments using the infrared thermography technique in cases of breast cancer using the commercial software COMSOL Multiphysics. The methodology of the work consists of the solution of the Pennes equation for a three-dimensional model of the breast. Then, the 3D numerical breast was submitted during three well-defined steps: Stationary, Hypothermia and Thermal recovery. The 3D breast modeling was composed of healthy and unhealthy regions presenting similar boundary conditions to the real breast model, considering the external surface exposed to natural convection, and the internal region subjected to a constant temperature of 37 °C. During the hypothermia treatment, the external surface of the breast was exposed to constant temperatures of 5, 10 and 15 °C, simulating a gel compress for 30 minutes. In thermal recovery, after removal of cooling, the breast was subjected to natural convection on the external surface again. The thermal contrasts obtained during the analysis of superficial tumors proved to be adequate for the screening of early tumors. However, for deep tumors the results required long cooling times to reveal insufficient thermal contrasts for tracking.
Keywords
Numerical simulation, Hypothermia, breast cancer, bioheat transfer
