Journal
BIOMEDICAL OPTICS EXPRESS
Volume 10, Issue 9, Pages 4676-4683Publisher
OPTICAL SOC AMER
DOI: 10.1364/BOE.10.004676
Keywords
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Funding
- Ohio Third Frontier to the Ohio Imaging Research and Innovation Network (OIRAIN) [667750]
- National Institutes of Health [100000002, AG048946, ES020866, HL062996]
- Veteran's Administration Merit Awards [1101CX000809, 5I01BX000853]
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We investigated the change in optical properties and vascular parameters to characterize skin tissue from mild photodamage to actinic keratosis (AK) with comparison to a published photodamage scale. Multi-wavelength spatial frequency domain imaging (SFDI) measurements were performed on the dorsal forearms of 55 adult subjects with various amounts of photodamage. Dermatologists rated the levels of photodamage based upon the photographs in blinded fashion to allow comparison with SFDI data. For characterization of statistical data, we used artificial neural networks. Our results indicate that optical and vascular parameters can be used to quantify photodamage and can discriminate between the stages as low, medium, and high grades, with the best performance of similar to 70%, similar to 76% and 80% for characterization of low- medium- and high-grade lesions, respectively. Ultimately, clinicians can use this noninvasive approach for risk assessment and frequent monitoring of high-risk populations. (C) 2019 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
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