Remodeling refers to the development of specific but potentially irreversible structural changes in tissue. Caucasian eosinophilic chronic rhinosinusitis (CRS) with polyps associated or not with cystic fibrosis was discriminated by edema from CRS without nasal polyps, characterized by extensive fibrotic fields. However, changes in epithelial and extracellular matrix structures are common findings in all types of chronic inflammatory diseases of upper airways, but rarely specific and highly variable in extend. Recent studies have shown that remodeling in CRS appears to occur in parallel, rather than purely subsequent to inflammation. Furthermore, some preferential remodeling associations can be recognized. Tremendous efforts have been put in research on coagulation factors, cytokines, growth factors, and proteases supporting all phases of upper airway remodeling. The current exploration of other CRS sub-groups and of the particular link with concomitant asthma aims to optimize the classification of CRS and its staging modes and to develop novel therapies.

Original languageEnglish
Article number34
JournalCurrent Allergy and Asthma Reports
Issue number6
Publication statusPublished - 23 Jun 2015


  • Chronic rhinosinusitis
  • Nasal polyps
  • Tissue remodeling
  • Tissue repair


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