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Journal of Biomedical Optics

Procedure to diagnose onychomycosis through changes in emissivity on infrared images
Author(s): Carlos Villaseñor-Mora; Arturo González-Vega; Maria Eugenia Garay-Sevilla; José A. Padilla-Medina; Lauro I. Arteaga-Murillo
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Paper Abstract

A noninvasive, quick, reliable, and relatively cheap procedure for the diagnosis of onychomycosis is put forward. It is known that a nail may show an abnormal appearance, although only 50% of all the nails having such an appearance may owe it to the presence of onychomycosis; hence, adequate diagnosis of nail disease is needed for appropriate prescription of medication and treatment of the nail. In order to contribute to the process of improvement in the diagnosis, a procedure based on the analysis of medium-range infrared images is presented in which it is possible to observe energy changes mostly due to the changes in emissivity of the nail. As a nail is more affected by onychomycosis, such changes become more intense. Also, it was found that a nail without onychomycosis has a lower temperature than toe skin, but has a higher emission of energy. Fifty percent of the ailments that may a cause a fingernail or toenail to have an abnormal appearance are not considered in the present work.

Paper Details

Date Published: 5 November 2013
PDF: 9 pages
J. Biomed. Opt. 18(11) 116005 doi: 10.1117/1.JBO.18.11.116005
Published in: Journal of Biomedical Optics Volume 18, Issue 11
Show Author Affiliations
Carlos Villaseñor-Mora, Univ. de Guanajuato (Mexico)
Arturo González-Vega, Univ. de Guanajuato (Mexico)
Maria Eugenia Garay-Sevilla, Univ. de Guanajuato (Mexico)
José A. Padilla-Medina, Instituto Tecnológico de Celaya (Mexico)
Lauro I. Arteaga-Murillo, Instituto Tecnológico de Celaya (Mexico)

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