Clinical photograph reveals hyperkeratotic vegetative and hyperpigmented papules with a zosteriform pattern. Darier disease is an uncommon genodermatosis characterized by verrucous papules in a seborrheic distribution. The linear form of this disease is rare and could result from genetic mosaicism in this autosomal dominant disorder. We report a case of linear Darier disease that involved the right lower limb with a zosteriform distribution. Source: Mariame Meziane, Rim Chraibi, Nadia Kihel, Badreddine Hassam, Karima Senouci