Familial pityriasis rubra pilaris: a case report

Pityriasis rubra pilaris (PRP) is a rare papulosquamous disorder of unknown etiology characterized by reddish orange plaques with pityriasiform scaling with follicular keratoses, palmoplantar keratoderma, and occasionally erythroderma. We hereby report a family with five members affected with the condition in three successive generations.