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GIORNALE ITALIANO DI DERMATOLOGIA E VENEREOLOGIA

A Journal on Dermatology and Sexually Transmitted Diseases


Official Journal of the Italian Society of Dermatology and Sexually Transmitted Diseases
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Giornale Italiano di Dermatologia e Venereologia 2018 Jan 24

DOI: 10.23736/S0392-0488.18.05836-4

Copyright © 2018 EDIZIONI MINERVA MEDICA

language: English

Dermatomyositis: clinicopathological correlations

Paolo SENA 1 , Andrea GIANATTI 2, Daniele GAMBINI 1

Dermatology Unit, Papa Giovanni XXIII Hospital, Bergamo, Italy; 2 Pathology Unit, Papa Giovanni XXIII Hospital, Bergamo, Italy


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Dermatomyositis (DM) is a chronic autoimmune disease affecting primarily the skeletal muscle and the skin. Although the diagnosis is usually based upon clinical and laboratory findings, histopathology is helpful for confirmation purposes and is mandatory in amiopathic DM where there is only skin involvement. Histologically, the typical cases are characterized by subtle vacuolar interface alterations with epidermal atrophy, mild capillary ectasia and sparse perivascular lymphocytic infiltrate; these findings are similar to those seen in other connective tissue diseases, especially lupus erythematosus. This review deals with the specific histhological findings that can be found in the different presentations of the disease and discuss the most common differential diagnoses. As for many other inflammatory skin diseases, the diagnosis of DM is based on a strict interaction between the dermatologist and the dermatopathologist.


KEY WORDS: Idiopathic inflammatory myopathies - Dermatomyositis - Pathology

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Publication History

Article first published online: January 24, 2018
Manuscript accepted: January 18, 2018
Manuscript received: October 30, 2017

Cite this article as

Sena P, Gianatti A, Gambini D. Dermatomyositis: clinicopathological correlations. G Ital Dermatol Venereol 2018 Jan 24. DOI: 10.23736/S0392-0488.18.05836-4

Corresponding author e-mail

psena@asst-pg23.it