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Related Experiment Videos

[Giant hyperplastic polyposis with adenomatous tissue]

C Beusnel1, N Le Berre, M Pagenault

  • 1Service d'Hépato-Gastroentérologie, CHRU Pontchaillou, Rennes.

Gastroenterologie Clinique Et Biologique
|January 1, 1996
PubMed
Summary

Most colorectal polyps are hyperplastic polyps and typically benign. This case highlights a rare instance where hyperplastic polyps in the rectosigmoid area showed adenomatous features, necessitating surgical intervention.

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Area of Science:

  • Gastroenterology
  • Colorectal Surgery
  • Pathology

Background:

  • Hyperplastic polyps are the most common colorectal polyps, usually found in the rectosigmoid region.
  • They are typically small, sessile, smooth, and translucent, with no malignant potential.
  • Colorectal polyps require accurate diagnosis and management due to potential for neoplastic transformation.

Observation:

  • A 68-year-old male presented with multiple rectosigmoid polyps, some appearing adenomatous.
  • Post-polypectomy bleeding occurred after removal of two polyps initially identified as adenomas.
  • The polyps were located within a context of diverticulosis, complicating the clinical picture.

Findings:

  • Histological examination confirmed all polyps were hyperplastic.

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  • Two of the hyperplastic polyps contained a focal area of adenomatous tissue.
  • The patient underwent left colectomy with coloanal anastomosis due to bleeding and polyp multiplicity.

    • Implications:

    • This case underscores the importance of thorough histological evaluation of colorectal polyps, even those appearing hyperplastic.
    • It highlights a rare presentation where hyperplastic polyps may harbor adenomatous components, posing diagnostic and management challenges.
    • Accurate differentiation between hyperplastic and adenomatous polyps is crucial for appropriate patient treatment and surveillance strategies.