Erythema dyschronicum perstans showing an ash-colored hyperpigmented lesion and an adjacent incompletely hypopigmented lesion surrounded by an erythematous border: a boundary spectrum to annular lichenoid dermatitis of youth?

Abstract

ejd.2012.1859 Auteur(s) : Naoki Oiso naoiso@med.kindai.ac.jp, Akira Kawada Department of Dermatology, Kinki Faculty of Medicine, 377-2 Ohno-Higashi, Osaka-Sayama, Osaka 589-8511, Japan Erythema dyschromicum perstans (EDP) (ashy dermatosis) is characterized by an asymptomatic, slate-gray to blue-brown (ash-colored) macule with an erythematous border in the early lesions [1, 2]. New lesions may appear in the previously affected areas [3]. Annular lichenoid dermatosis of youth (ALDY) is a recently [...]