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659 Mutilating palmoplantar keratoderma with periorificial keratotic plaques

definition

Mutilating palmoplantar keratoderma (PPK) with periorificial keratotic plaques (also known as Olmsted syndrome) is a hereditary palmoplantar keratoderma characterized by the combination of bilateral mutilating transgredient palmoplantar keratoderma and periorificial keratotic plaques.