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[Emerging concepts in colorectal serrated polyps].

Bruno Buecher1, Stéphane Bezieau, Cédric Dufilhol

  • 1Service d'Hépato-Gastroentérologie et d'Assistance Nutritionnelle du CHU de Nantes, Hôtel-Dieu, Place Alexis Ricordeau, 44093 Nantes Cedex. bruno.buecher@chu-nantes.fr

Gastroenterologie Clinique Et Biologique
|February 3, 2007
PubMed
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Colorectal serrated polyps, including sessile serrated adenomas, are diverse lesions with malignant potential. Early detection and removal during colonoscopy are crucial for preventing colorectal cancer development.

Area of Science:

  • Gastroenterology
  • Pathology
  • Oncology

Context:

  • Colorectal serrated polyps represent a heterogeneous group of epithelial lesions.
  • These include hyperplastic polyps, serrated adenomas, mixed polyps, and atypical serrated polyps (sessile serrated adenomas).
  • Sessile serrated adenomas, though resembling hyperplastic polyps, possess neoplastic potential.

Purpose:

  • To review the histological features, endoscopic appearance, natural history, and molecular phenotype of various serrated polyps.
  • To introduce the concept of the "serrated neoplastic pathway" in colorectal cancer development.
  • To highlight the clinical significance and management of these lesions.

Summary:

  • Serrated polyps exhibit a characteristic serrated architecture.

Related Experiment Videos

  • Serrated adenomas and mixed polyps contain adenomatous components, while sessile serrated adenomas show subtle proliferation abnormalities.
  • The malignant potential of sessile serrated adenomas necessitates their removal during colonoscopy.

    • Impact:

    • Understanding the heterogeneity of serrated polyps is key to accurate diagnosis and risk stratification.
    • The identification of the serrated neoplastic pathway provides insights into colorectal cancer pathogenesis.
    • This review emphasizes the importance of endoscopic surveillance and intervention for serrated polyps to reduce colorectal cancer incidence.