Journal
PHOTODERMATOLOGY PHOTOIMMUNOLOGY & PHOTOMEDICINE
Volume 25, Issue 2, Pages 111-113Publisher
WILEY
DOI: 10.1111/j.1600-0781.2009.00410.x
Keywords
bioadhesive patch; photodynamic therapy; squamous hyperplasia; vulval lichen sclerosus
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This study evaluated the clinical and histopathological responses of vulval lichen sclerosus (LS) and squamous hyperplasia (SH) to photodynamic therapy (PDT). A novel bioadhesive patch containing aminolevulinic acid (ALA) at a dose of (38 mg/cm(2)) was used to treat 10 patients before irradiation with light of 630 nm. Clinical, histopathological and pathological responses to treatment were assessed at 6 weeks post-treatment. After 17 cycles of PDT, six patients reported significant symptomatic relief and no cutaneous photosensitivity. Histopathological differences were not demonstrated, but statistically significant induction of apoptosis was seen. It can be concluded that ALA-PDT patch-based formulation is pragmatic and primarily offers symptomatic management of vulval LS and SH.
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