Significance of paneth cell metaplasia in Barrett esophagus: a morphologic and clinicopathologic study

Wei Chen1, Wendy L Frankel1, Kevin M Cronley2

  • 1From the Departments of Pathology and.

Abstract

Insights

Paneth cell metaplasia (PCM) in Barrett esophagus (BE) is common, associated with less regression, but not increased progression to dysplasia or adenocarcinoma. This finding is important for understanding BE progression.

Area of Science:

  • Gastroenterology
  • Oncology
  • Pathology

Background:

  • Barrett esophagus (BE) is a metaplastic change in the esophageal lining.
  • Paneth cells are occasionally found in the metaplastic intestinal epithelium of BE.
  • The prevalence and clinical significance of Paneth cell metaplasia (PCM) in BE are not well understood.

Purpose of the Study:

  • To determine the prevalence of Paneth cell metaplasia (PCM) in Barrett esophagus (BE).
  • To investigate the association between PCM and clinical outcomes in BE, including disease regression and progression to dysplasia or adenocarcinoma.

Main Methods:

  • Esophageal biopsy specimens (n=757) with intestinal metaplasia (IM) were analyzed for PCM.
  • Clinical outcome analysis was conducted on 299 cases with complete data using multinomial logistic regression.

Main Results:

  • Paneth cell metaplasia (PCM) was identified in 31% of IM cases.
  • PCM prevalence was higher in long-segment BE compared to short-segment BE.
  • Paneth cells decreased with increasing dysplasia.
  • Patients without PCM (NPCM) showed a threefold higher likelihood of regression compared to patients with PCM.
  • No significant difference in progression to dysplasia or adenocarcinoma was observed between the PCM and NPCM groups.

Conclusions:

  • Paneth cell metaplasia (PCM) in Barrett esophagus (BE) is associated with reduced disease regression.
  • The presence of PCM does not correlate with an increased risk of progression to dysplasia or adenocarcinoma in BE.

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