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Related Experiment Videos

The lost polyp: a guide to retrieval during colonoscopy.

J D Waye, B S Lewis, M A Atchison

    International Journal of Colorectal Disease
    |November 1, 1988
    PubMed
    Summary
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    Colon polyp retrieval during colonoscopy is crucial for diagnosis. This study achieved a 94.5% retrieval rate, identifying aspirated polyps within the endoscope as a key loss factor.

    Area of Science:

    • Gastroenterology
    • Endoscopic procedures
    • Pathology

    Background:

    • Polyp retrieval post-colonoscopy is essential for pathological examination.
    • Incomplete polyp retrieval rates (85-100%) are a documented challenge.
    • Small polyps are frequently lost, often presumed aspirated via the endoscope's suction channel.

    Purpose of the Study:

    • To evaluate polyp retrieval rates in a series of colonoscopies.
    • To identify factors contributing to polyp loss during endoscopic resection.
    • To review techniques for improving polyp retrieval and locating aspirated polyps.

    Main Methods:

    • Conducted a prospective study of 182 polypectomies in 100 consecutive patients.
    • Documented polyp retrieval success and failure rates.

    Related Experiment Videos

  • Examined endoscopes for retained polyps post-procedure.
  • Reviewed existing polyp retrieval techniques.

    • Main Results:

    • Achieved a polyp retrieval rate of 94.5%.
    • All lost polyps were small and suspected to be aspirated.
    • 10% of initially "lost" polyps were found inside the endoscope before cleaning.

    Conclusions:

    • Specific techniques can significantly improve polyp retrieval rates.
    • Aspiration through the endoscope's suction channel is a primary cause of polyp loss.
    • Systematic examination of the endoscope is vital for recovering "lost" polyps.