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Related Experiment Videos

[Colonoscopic polypectomy. Histopathological features and course (author's transl)].

J Brulé, J Emerit

    La Nouvelle Presse Medicale
    |April 28, 1979
    PubMed
    Summary

    Colonic polyps analyzed in a 1970s study showed 14.3% malignancy. Villous and adenocarcinomatous forms were more common in younger women, while villous polyps increased with age in men, leading to higher malignancy risk after 60.

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    Presse medicale (Paris, France : 1983)·1999

    Area of Science:

    • Gastroenterology
    • Oncology
    • Endoscopic procedures

    Context:

    • A retrospective analysis of 424 colonic polyps resected via colonoscopy between 1972 and 1976.
    • Data collected from multiple Parisian centers.
    • Involved 343 patients undergoing endoscopic polypectomy.

    Purpose:

    • To analyze the topography, shape, diameter, and histological types of colonic polyps.
    • To investigate the prevalence of different histological types by sex and age.
    • To assess the malignant potential and recurrence rates of colonic polyps.

    Summary:

    • 14.3% of resected polyps were malignant.
    • Villous and adenocarcinomatous polyps were prevalent in younger women.
    • Villous polyp prevalence increased with age in men, correlating with a higher malignancy risk post-60.
    • Average transformation time from benign to malignant polyp estimated at 13 years.
    • Recurrence rate of 9% observed, particularly for villous and adenovillous types, with cautious interpretation of local resection outcomes for invasive adenocarcinoma.

    Impact:

    • Highlights the importance of histological analysis and age/sex-specific prevalence in colonic polyp management.
    • Suggests a significant latency period for malignant transformation.
    • Underscores the need for effective follow-up protocols post-polypectomy to monitor recurrence, especially for high-risk polyp types.

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