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Related Experiment Videos

Screening for asymptomatic bowel cancer in general practice.

R C Lallemand, P A Vakil, P Pearson

    British Medical Journal (Clinical Research Ed.)
    |January 7, 1984
    PubMed
    Summary

    General practitioners screened asymptomatic individuals over 40 for colorectal cancer. While cancer rates were similar, screening detected polyps in 1.5% of participants, highlighting its value.

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    Area of Science:

    • Gastroenterology
    • Oncology
    • Preventive Medicine

    Background:

    • Colorectal cancer screening is crucial for early detection.
    • General practitioners play a key role in community health surveillance.

    Purpose of the Study:

    • To compare the incidence of large bowel cancer and polyps in screened versus unscreened populations.
    • To assess the effectiveness of general practice-based screening programs.

    Main Methods:

    • A screening program involving 4284 asymptomatic individuals aged over 40.
    • Comparison with a control general practice of 4288 patients.
    • Use of Haemoccult test followed by colonoscopy for positive results.

    Main Results:

    • Overall screening compliance was 42%, with higher rates in young women (60%).
    • 1.5% of screened individuals (26 patients) had a positive Haemoccult test.
    • Colonoscopy revealed polyps in 10 of the 26 patients with positive tests.
    • Cancer incidence was similar between screened and control groups.
    • No polyps were detected in the unscreened control group.

    Conclusions:

    • General practice screening identified polyps, suggesting potential for early cancer prevention.
    • Further research is needed to optimize screening compliance and impact on cancer incidence.

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