Evaluation of skin pathologies by RGB autofluorescence imaging

Alexey Lihachev; Emilija V. Plorina; Alexander Derjabo; Marta Lange; Ilze Lihacova

doi:10.1117/12.2297007

7 December 2017 Evaluation of skin pathologies by RGB autofluorescence imaging

Alexey Lihachev, Emilija V. Plorina, Alexander Derjabo, Marta Lange, Ilze Lihacova

Author Affiliations +

Proceedings Volume 10592, Biophotonics—Riga 2017; 1059207 (2017) https://doi.org/10.1117/12.2297007
Event: The Second International Conference "Biophotonics-Riga 2017", 2017, Riga, Latvia

Abstract

A clinical trial on autofluorescence imaging of malignant and non-malignant skin pathologies comprising 32 basal cell carcinomas (BCC), 4 malignant melanomas (MM), 1 squamous cell carcinoma (SCC), 89 nevi, 14 dysplastic nevi, 20 hemangiomas, 23 seborrheic keratoses, 4 hyperkeratoses, 3 actinic keratoses, 3 psoriasis, 1 dematitis, 2 dermatofibromas, 5 papillofibromas, 12 lupus erythematosus, 7 purpura, 6 bruises, 5 freckles, 3 fungal infections, 1 burn, 1 tattoo, 1 age spot, 1 vitiligo, 32 postoperative scars, 8 post cream therapy BCCs, 4 post radiation therapy scars, 2 post laser therapy scars, 1 post freezing scar as well as 114 reference images of healthy skin was performed. The sequence of autofluorescence images of skin pathologies were recorded by smartphone RGB camera under continuous 405 nm LED excitation during 20 seconds with 0.5 fps. Obtained image sequences further were processed with subsequent extraction of autofluorescence intensity and photobleaching parameters.

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Alexey Lihachev, Emilija V. Plorina, Alexander Derjabo, Marta Lange, and Ilze Lihacova "Evaluation of skin pathologies by RGB autofluorescence imaging", Proc. SPIE 10592, Biophotonics—Riga 2017, 1059207 (7 December 2017); https://doi.org/10.1117/12.2297007

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