Digital infrared thermal imaging (DITI) is a noninvasive, non-contact system of recording body temperature by measuring infrared radiation emitted by the body surface. This technology was originally designed for US military use in night vision but also has many applications in medicine. Its use in the field of medical oncology lies in the fact that tumors generally have an increase in blood supply and angiogenesis, as well as an increased metabolic rate, which in turn translates into increased temperature gradients compared to surrounding normal tissue. Detecting these infrared “hotspots” and gradients can thereby help to identify and diagnose malignancy.
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