Photorejuvenation induced by 5-aminolevulinic acid photodynamic therapy in patients with actinic keratosis: A histologic analysis
Keywords: histologic changes; photodynamic therapy; photorejuvenationAK, actinic keratosis; ALA, 5-aminolevulinic acid; ECM, extracellular matrix; MMP, metalloproteinase; PDT, photodynamic therapy; TβRII, TGF-β type II receptor; TGF-β, transforming growth factor β;