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Photodermatology, photoimmunology & photomedicine

Photodynamic therapy for a hypertrophic scarring: a promising choice.


PMID 22092740

Abstract

The case we report is about a female patient, 69 years old, who had a hypertrophic scarring on the right cheek because of a bite by her dog. She had attempted many types of topical and intralesional treatments but without success. The patient underwent photodynamic therapy (PDT), employing a methyl ester of 5-aminolevulinic acid (MAL) as topical photosensitizer and a non-coherent red light at a wavelength of 632 nm. This session was then repeated three more times at 2-week intervals. A month after the last session, the scarred area significantly softened, becoming more flexible, less erythematous, smoother and reduced in volume. The patient was greatly satisfied with the clinical and cosmetic result, she had no more than rough scarring on the cheek, and her skin in the area around the lesion was very smooth, wrinkle-free. She did not show any recurrence of her hypertrophic scarring after 1 year of follow-up. PDT revealed to be the most effective approach if compared with previous therapeutic options received by the patient, but further studies are necessary to evaluate protocols to be used for the best results in this kind of application.

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A5575
Methyl δ-aminolevulinate hydrochloride, ≥98% (TLC)
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