Abstract
A multi-dimensional thermal model was presented to explore the relationship between an embedded tumor and the resulting temperature distributions on the breast surface on purpose to be an adjunct tool for interpreting thermograms. Steady-state temperature distributions on the skin of the breast were attained by numerically solving the heat diffusion equation. The numerical results show that the temperature distributions in the thermal images of breast tumor can be significantly influenced by surface air flow and environmental temperature. Furthermore, the simulated results also show that thermography do not have sufficient sensitivity for detection of a small tumor in deeper region. Finally, the feasibility and limitations of capturing tumor information by infrared thermal imaging is discussed. Our study shows that the heat patterns over breasts can be well simulated with this comprehensive thermal model, which may be helpful for the doctor to interpret the thermograms.
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