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Histopathological and hematological changes in recurrent nasal polyposis.

Giuseppe Brescia1, Lara Alessandrini2, Claudia Zanotti1

  • 1Otolaryngology Section, Department of Neuroscience (DNS), Padova University, Padova, Italy.

International Forum of Allergy & Rhinology
|February 21, 2019
PubMed
Summary

Recurrent chronic rhinosinusitis with nasal polyps shows lower tissue eosinophil counts than primary disease. Tissue remodeling is a dynamic process with distinct histological and hematological differences.

Keywords:
ESSeosinophilshematologyhistopathologyrecurrentsinonasal polyposistissue remodeling

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Area of Science:

  • Otolaryngology
  • Pathology

Background:

  • Limited data exists on histological and hematological differences between primary and recurrent chronic rhinosinusitis with nasal polyps (CRSwNP).
  • Understanding these differences is crucial for effective treatment and management strategies.

Purpose of the Study:

  • To investigate the histological and hematological distinctions between primary and recurrent CRSwNP.
  • To analyze tissue remodeling processes in CRSwNP.

Main Methods:

  • Retrospective analysis of 32 adult patients undergoing revision surgery for CRSwNP.
  • Evaluation of histological parameters (eosinophilic infiltrate, edema, goblet cell hyperplasia, basement membrane thickness) and blood cell counts (eosinophils, basophils) prior to surgery.

Main Results:

  • Primary CRSwNP showed significant correlations between histopathological parameters and between tissue and blood eosinophil counts.
  • Recurrent CRSwNP exhibited a positive correlation between basement membrane thickness, tissue eosinophils, and goblet cell hyperplasia.
  • Mean tissue eosinophil counts were significantly lower in recurrent CRSwNP compared to primary disease.

Conclusions:

  • Tissue remodeling in CRSwNP is a dynamic process with notable differences in tissue eosinophil counts between primary and recurrent disease.
  • Further research with larger patient cohorts and stratified analysis is needed to elucidate the evolution of tissue remodeling post-treatment.