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Pedunculated hamartomatous polyp of the appendix: report of a case

Tadahiro Nozoe1, Emiko Mori, Tomohiro Iguchi

  • 1Department of Surgery, Fukuoka Higashi Medical Center, 1-1-1, Chidori, Koga 811-3195, Japan. nozoet@fukuokae2.hosp.go.jp

Surgery Today
|May 22, 2012
PubMed

Insights

A rare pedunculated appendix polyp, a type of hamartoma, was incidentally discovered during rectal cancer surgery. This finding highlights a very rare presentation of a Peutz-Jeghers type polyp in the appendix.

Area of Science:

  • Gastroenterology and Surgical Pathology

Background:

  • Appendiceal polyps are uncommon, with hamartomas representing a subset of these lesions.
  • Preventive appendectomy is sometimes performed during other abdominal surgeries.

Observation:

  • A pedunculated polyp was incidentally found in the appendix of a patient undergoing surgery for rectal carcinoma.
  • The patient exhibited no external signs of Peutz-Jeghers syndrome, such as mucocutaneous pigmentation or widespread gastrointestinal polyposis.

Findings:

  • Pathological examination revealed a polyp with fibro-muscular stalks and hyperplastic mucosa, consistent with a hamartoma.
  • The polyp's characteristics were deemed consistent with a rare, pedunculated, Peutz-Jeghers type appendiceal polyp.

Implications:

  • This case expands the understanding of appendiceal polyp morphology and rare presentations.
  • Highlights the importance of pathological examination of incidentally discovered appendiceal lesions.
  • Contributes to the literature on rare gastrointestinal hamartomas and their association with genetic syndromes.

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