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Juvenile Polyps With Osseous Metaplasia: Report of Two Pediatric Cases and Review of the Literature Publisher Pubmed



Azariyam A1 ; Alimadadi H2 ; Safavi M1
Authors
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Authors Affiliations
  1. 1. Pathology Department, Children Medical Center, Tehran University of Medical Sciences, Tehran, Iran
  2. 2. Pediatrics Gastroenterology Department, Children Medical Center, Tehran University of Medical Sciences, Tehran, Iran

Source: Fetal and Pediatric Pathology Published:2022


Abstract

Background: Osseous metaplasia is considered as a response to insults such as chronic inflammation or mucin extravasation in colorectal polyps. Case report: we report two cases of osseous metaplasia in juvenile (retention) polyps as incidental histopathological findings in a case of rectal juvenile polyposis and a patient with solitary rectal juvenile polyp. Conclusion: Osseous metaplasia can occur in colorectal juvenile polyps and is considered a probable response to mucin extravasation and/or chronic inflammation. The clinical and prognostic significance of osseous metaplasia in these polyps is unknown. © 2020 Taylor & Francis Group, LLC.