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PubMed RSS Feed - -Inflammation Burst after 5-Aminolevulinic Acid-Photodynamic Therapy for the Treatment of Actinic Keratosis complicating Rosacea: A Case Report


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Photodiagnosis Photodyn Ther. 2022 May 7:102897. doi: 10.1016/j.pdpdt.2022.102897. Online ahead of print.


A 72-year-old woman suffering from multiple actinic keratosis (AK) complicating steroid-induced rosacea received 5-aminolevulinic acid-photodynamic therapy (ALA-PDT) in our outpatient clinic. Both AKs and rosacea got remission after one session of PDT. However, adverse effect of severe acute inflammatory response emerged with lasting hyperpigmentation. We then terminated the following PDT sessions in time. After skin care and closely follow-up for a half year, most symptoms and lesions of AK and rosacea disappeared with mild hyperpigmentation left. ALA-PDT is commonly recommended for multiple AKs based on effectiveness and noninvasiveness, but has controversial efficacy and safety for rosacea. The unusual excessive inflammation in this patient after ALA-PDT may due to skin barrier destruction, vasomotor dysfunction and the immune response by dead Demodex after PDT. This case indicated that carefully evaluation before ALA-PDT is of great importance, especially for those patients with complicated skin situation. For AKs complicating rosacea, modified parameters of ALA-PDT such as less ALA incubation time or reduced light dose should be further studied to achieve the optimal efficacy and safety of ALA-PDT and offer the best benefit.

PMID:35537699 | DOI:10.1016/j.pdpdt.2022.102897

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