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Abstract Title:

Light-emitting diodes in photodynamic therapy in non-melanoma skin cancers--own observations and literature review.

Abstract Source:

J Cosmet Laser Ther. 2016 ;18(2):105-10. Epub 2016 Feb 29. PMID: 26735126

Abstract Author(s):

Anna Erkiert-Polguj, Adam Halbina, Izabela Polak-Pacholczyk, Helena Rotsztejn

Article Affiliation:

Anna Erkiert-Polguj

Abstract:

Photodynamic therapy (PDT) employs light activation of tissue-localized photosensitizer in an oxygen-dependent process which initiates oxidative stress, inflammation, and cell death. There are many indications for PDT, although the main ones are still non-melanoma skin cancers. The light sources used include coherent and non-coherent ones, but we would like to focus on the use of light-emitting diodes (LED) in PDT. We present four patients with skin lesions successfully treated with LED-based photodynamic therapy. The main advantage of that source is narrow emission spectrum that can correspond well with maximum absorption photosensitizers. Also, using LED source seems to be cheaper and simpler, and the field of irradiation is larger. The data showed good clinical and cosmetic outcome of LED-based PDT in actinic keratosis, basal cell carcinoma, and Bowen's disease. Since these diseases often appear on sun-exposed skin, aesthetic results are very important. The effect of LED treatment is as good or in some data even better than those in older types of PDT.

Study Type : Human: Case Report

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