A case of zosteriform Darier's disease with seasonal recurrence
A 35-year-old woman presented with mildly pruritic, unilateral, hyperpigmented, keratotic papules localized to the right infra mammary region []. For the past 3 years, these lesions occurred strictly in summers, from March to June, and regressed spontaneously afterwards. There was no history of similar skin lesions in any of the family members. No oral, nail or hair abnormalities were detected. General physical examination was normal. Routine hematological and biochemical investigations were normal. Histopathological examination of the skin biopsy showed hyperkeratosis, elongation of rete ridges, suprabasal acantholysis and marked dyskeratosis in the form of corps ronds and grains [Figures and ] along with a mild lymphohistiocytic inflammatory infiltrate in the dermis consistent with DD.