Atypical koebner phenomenon on a tattoo.
Antonella TammaroCamilla ChelloFrancesca MagriEnza GelorminiFrancesca Romana ParisellaAlessandra DanieleFederica SignatiSeverino PersechinoSalvatore RaffaPublished in: Journal of cosmetic dermatology (2019)
Tattooing is more and more popular in developed countries in recent years and many side effects are associated with this practice, including psoriatic lesions and Koebner phenomenon. We report the case of a lichenoid reaction to red pigment in a patient affected by psoriasis.