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Official Journal of the Italian Society of Dermatology and Sexually Transmitted Diseases
Indexed/Abstracted in: EMBASE, PubMed/MEDLINE, Science Citation Index Expanded (SciSearch), Scopus
Impact Factor 1,014
Online ISSN 1827-1820
Pazzaglia M., Ghetti E., Fanti P. A.
Università degli Studi - Bologna, Dipartimento di Medicina Clinica Specialistica e Sperimentale, Sezione di Clinica Dermatologica
In 1971 Meyerson described a melanocytic nevus with a halo eczema. Two patients with eczematous halos developing around nevi are presented. Biopsy specimens revealed an intradermal nevus. The surronding epidermis showed acanthosis with spongiosis and parakeratosis. The dermis contained a superficial perivascular lymphocytic infiltrate with eosinophils. The different hypotheses regarding the pathogenesis of Meyerson’s phenomenon are discussed. The condition seems to be a non specific reaction that does not modify the course of the prognosis of the nevus.