UV doses and skin effects during psoriasis climate therapy

Lise L. Randeberg; Julio Hernandez-Palacios; Mila Lilleeng; Lill Tove Nilsen; Anne-Lene Krogstad

doi:10.1117/12.874067

17 February 2011 UV doses and skin effects during psoriasis climate therapy

Lise L. Randeberg, Julio Hernandez-Palacios, Mila Lilleeng, Lill Tove Nilsen, Anne-Lene Krogstad

Proceedings Volume 7883, Photonic Therapeutics and Diagnostics VII; 788307 (2011) https://doi.org/10.1117/12.874067
Event: SPIE BiOS, 2011, San Francisco, California, United States

Abstract

Psoriasis is a common autoimmune disease with inflammatory symptoms affecting skin and joints. One way of dealing with psoriasis is by controlled solar UV exposure treatment. However, this treatment should be optimized to get the best possible treatment effect and to limit negative side effects such as erythema and an increased risk of skin cancer. In this study 24 patients at Valle Marina Treatment Center in Gran Canaria were monitored throughout a treatment period of three weeks starting at the beginning of November. The total UV dose to the location was monitored by UV-meters placed on the roof of the treatment centere, and the patients wore individual film dosimeters throughout the treatment period. Skin parameters were accessed by reflection spectroscopy (400-850nm). This paper presents preliminary findings from the skin measurements in the visible part of the spectrum, such as blood oxygenation, erythema and melanin indexes. Reflection spectroscopy was found to be a good tool for such treatment monitoring.

Citation Download Citation

Lise L. Randeberg, Julio Hernandez-Palacios, Mila Lilleeng, Lill Tove Nilsen, and Anne-Lene Krogstad "UV doses and skin effects during psoriasis climate therapy", Proc. SPIE 7883, Photonic Therapeutics and Diagnostics VII, 788307 (17 February 2011); https://doi.org/10.1117/12.874067

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KEYWORDS

Skin

Ultraviolet radiation

Sun

Reflectivity

Blood

Absorption

Reflectance spectroscopy

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