Co-Existence of Leukoderma with Features of Dowling-Degos Disease: Reticulate Acropigmentation of Kitamura Spectrum in Five Unrelated Patients

Background: The spectrum of Dowling-Degos disease-reticulate acropigmentation of Kitamura (DDD-RAK) is a group of rare autosomal dominant disorders that have in common a unique histological picture of hyperpigmented digitate epidermal ‘downgrowths’. Patients with the DDD-RAK spectrum may show hyperpigmented macules and papules, facial pits, breaks in dermatoglyphics and epidermoid cysts. Observations: We examined 5 unrelated patients, 3 females...