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Exaggerated epidermal pigmentation in acquired dermal macular hyperpigmentation: an important finding

We congratulate the authors Nakazato and Anan for an interesting report demonstrating Fontana Masson stained epidermal melanin granules in a patient having lichen planus pigmentosus inversus.1 As authors of 2 large series on acquired dermal macular hyperpigmentation (ADMH), in both of which we reported the presence of epidermal melanization extending to epidermal layers beyond the basal layer, we suggest that this finding has important pathogenetic and therapeutic implications. This article is protected by copyright. All rights reserved.