[Photodynamic therapy in dermatology, other indications and perspectives].

PDT licensed indications in dermatology are actinic keratosis, Bowen's disease and superficial basal cell carcinomas. Skin tumors are sensitized by methyl aminomevulinate then illuminated with red light. Beyond these indication PDT is now widely used for the treatment of various others skin tumors and infectious or inflammatory skin disorders. PDT treatment of large areas can induce intense pain. Optimising PDT treatment needs to optimize pain control. Freezing or cooling procedure is the best way to decrease pain. The most interesting aspects of PDT is the absence of severe delayed adverse events and an optimal healing.