Acquired aquagenic papulotranslucent acrokeratoderma

Aquagenic papulotranslucent acrokeratoderma isa rare condition with the development of white-totransluscentpapules and plaques after exposureto water. While the first report was described asan autosomal dominant hereditary condition,there have since been acquired cases reported inassociation with cystic fibrosis, with prior exposureto a drug, or as an idiopathic condition. We presenta 24-year-old man with acquired aquagenicpapulotranslucent acrokeratoderma that has beenpresent since infancy, without a family history,without prior drug exposure, and without anypersonal or family history of cystic fibrosis. Thus fartreatment with urea cream, calipotriene ointment,vitamin E cream, and clobetasol ointment hasbeen ineffective. Our patient will be treated withbotulinum toxin.