Terahertz imaging for early screening of the foot

NewsBot · Feb 11, 2017

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Terahertz imaging for early screening of diabetic foot syndrome: A proof of concept
G. G. Hernandez-Cardoso, S. C. Rojas-Landeros, M. Alfaro-Gomez, A. I. Hernandez-Serrano, I. Salas-Gutierrez, E. Lemus-Bedolla, A. R. Castillo-Guzman, H. L. Lopez-Lemus & E. Castro-Camus
Scientific Reports 7, Article number: 42124 (2017) (Full text)

Most people with diabetes suffer some deterioration of the feet. Diabetic foot syndrome causes ulceration in about 15% of cases and such deterioration leads to amputation in about 2.5% of diabetic patients, diminishing their quality of life and generating extraordinary costs for patients and public health systems. Currently, there is no objective method for the detection of diabetic foot syndrome in its early stages. We propose terahertz imaging as a method for the evaluation of such deterioration. This screening method could aid the prevention and medical treatment of this condition in the future.
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Admin2 · Feb 11, 2017

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The number of applications of terahertz radiation in the biological11,12,13 and medical14,15 fields has exploded in recent years, owing to its unprecedented sensitivity to the water content of tissues. In addition, this technique is non-invasive and entirely harmless to living organisms, given that terahertz photons have around three orders of magnitude less energy than that needed for ionization, and that most terahertz time-domain spectroscopy sources operate in the sub-1 μW power regime. Terahertz has been used to detect skin16, breast17, colon18,19, and other types of cancer20, as well as a tool to determine the severity of skin burns, which is not always easy to diagnose clinically21,22.
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