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Related Concept Videos

Serum Laboratory Studies, Stool Test, Breath Test01:30

Serum Laboratory Studies, Stool Test, Breath Test

978
Gastrointestinal (GI) diagnostic studies are pivotal in confirming, ruling out, diagnosing, or staging various diseases, including cancers. Following diagnosis, allocating time for discussions with the patient and providing informational resources is crucial. Diagnostic assessments of the GI tract often occur in outpatient settings like endoscopy suites or GI labs. Preparation for these tests may include dietary restrictions, fasting, liquid bowel preparations, laxatives, enemas, and the...
978

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Related Experiment Video

Updated: Mar 1, 2026

Author Spotlight: Developing a Point-of-Care Hemoglobin Estimation Method for Anemia Management
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Routine hemoccult screening: the current evidence.

J W Frank

    Canadian Family Physician Medecin De Famille Canadien
    |February 1, 2011
    PubMed
    Summary
    This summary is machine-generated.

    Routine colorectal cancer screening using the Hemoccult test shows uncertain benefits. Evidence does not support improved survival or quality of life, despite significant risks and costs associated with positive results.

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    Area of Science:

    • Gastroenterology
    • Oncology
    • Preventive Medicine

    Background:

    • Colorectal carcinoma screening with the Hemoccult test is recommended for individuals over 45.
    • This review examines the evidence for the test's efficacy, effectiveness, and efficiency.

    Purpose of the Study:

    • To critically evaluate the current evidence regarding Hemoccult screening for colorectal cancer.
    • To assess the benefits, risks, and costs associated with this screening method.

    Main Methods:

    • Literature review of controlled trials and evidence on Hemoccult screening.
    • Analysis of data on cancer survival, quality-of-life, risks, and costs.

    Main Results:

    • No controlled trials demonstrate clear improvements in cancer survival or quality-of-life from Hemoccult screening.
    • The test involves significant risks and costs due to recommended invasive confirmatory investigations for positive results.

    Conclusions:

    • The benefits of Hemoccult screening for colorectal cancer are uncertain.
    • Substantial risks and high costs question its routine inclusion in periodic health examinations without further evidence of mortality reduction.