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A Benign Rectal Polyp With Osseous Metaplasia: A Pediatric Case Report and Literature Review

Tuqa A Alsinan1,2, Mohammad Almohaidly1, Mohammad AlOnazi1

  • 1Department of Pediatric Surgery, Prince Sultan Military Medical City, Riyadh, SAU.

Cureus
|February 1, 2023
PubMed

Insights

Osseous metaplasia, a rare bone formation in gastrointestinal lesions, was found in a young child's colorectal polyp. This case highlights the need for more research into this unusual pediatric finding.

Area of Science:

  • Gastroenterology
  • Pediatric Pathology
  • Surgical Oncology

Background:

  • Osseous metaplasia is an uncommon finding in gastrointestinal lesions, particularly in children under six.
  • Colorectal polyps in pediatric patients are infrequent, and their association with osseous metaplasia is exceptionally rare.

Observation:

  • A four-year-old boy presented with chronic constipation and painless rectal bleeding.
  • Endoscopic evaluation revealed a colorectal polyp, which was surgically excised.
  • Microscopic examination confirmed osseous metaplasia within the polyp, with no evidence of malignancy.

Findings:

  • The excised colorectal polyp demonstrated benign osseous metaplasia.
  • The patient experienced successful resolution of symptoms post-excision.
  • No malignant changes were identified in the polyp's tissue.

Implications:

  • This case contributes to the limited literature on pediatric colorectal polyps with osseous metaplasia.
  • Further research is warranted to elucidate the pathogenesis and prognostic factors of osseous metaplasia in pediatric colorectal lesions.
  • Increased awareness may aid in the diagnosis and management of similar rare pediatric gastrointestinal conditions.

Keywords:
benign colorectal polyphistopathologyosseous metaplasiapediatric surgeryrectal polyp

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