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Field treatment of facial and scalp actinic keratoses with photodynamic therapy: Survey of patient perceptions of treatment satisfaction and outcomes

Background:  Diffuse field change with actinic keratoses (AK) is a ubiquitous skin disease in Australia, with potential for malignant transformation. We report on 35 consecutive patients who had field therapy with single session photodynamic therapy (PDT) using 1 h incubation time for 5‐aminolevulinic acid (5‐ALA) or 3 h for methyl‐aminolevulinate (MAL).