Heterogeneity of atopic dermatitis defined by the immune response to inhalant and food allergens

Giuseppe Fabrizi, Antonio Romano, Pietro Vultaggio, Stefania Bellegrandi, Roberto Paganelli, Alberto Venuti

Research output: Contribution to journalArticlepeer-review

Abstract

Although atopic dermatitis (AD) is a common disease, its etiopathogenesis is not well known. The diagnosis of AD is based solely on the clinical criteria proposed by Hanifin and Rajka. In order to understand the immunological mechanisms involved in the pathogenesis of AD, we have classified the patients affected by this disease in four groups according to the results of skin prick-tests, specific IgE and patch-tests. This classification is intended to separate and compare the patients affected by AD according to the involvement of immunological type I and/or type IV mechanisms. Our results show that, although all the patients studied are clinically affected by AD, there are four different groups of patients who present an apparently diverse immunopathological mechanism. There is a group that seems to have an IgE mediated mechanism, another group that suggests a cell mediated mechanism, another group which seems to involve both mechanisms, and yet another group that apparently does not show any of the above mentioned mechanisms. In the present article we hypothesize and argue that the imbalance of the immune system is a consequence of the still unknown etiopathogenetic mechanism of AD, but perhaps not the cause of AD.

Original languageEnglish
Pages (from-to)380-384
Number of pages5
JournalEuropean Journal of Dermatology
Volume9
Issue number5
Publication statusPublished - 1999

Keywords

  • Allergic dermatitis
  • Atopic dermatitis
  • Atopic eczema
  • Eczematous dermatitis

ASJC Scopus subject areas

  • Dermatology

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