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Related Experiment Videos

Colonoscopy for unexplained rectal bleeding.

E T Swarbrick, D I Fevre, R H Hunt

    British Medical Journal
    |December 16, 1978
    PubMed
    Summary
    This summary is machine-generated.

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    Colonoscopy effectively identifies causes of unexplained rectal bleeding, detecting significant conditions like cancer and polyps in 10% of patients. This diagnostic tool aids in treatment and prevents unnecessary surgery.

    Area of Science:

    • Gastroenterology
    • Colorectal Surgery

    Background:

    • Unexplained rectal bleeding is a common clinical concern.
    • Initial examinations and barium studies may not reveal the bleeding source.

    Purpose of the Study:

    • To evaluate the diagnostic yield of colonoscopy in patients with unexplained rectal bleeding.
    • To assess the prevalence of significant colorectal pathologies in this patient group.

    Main Methods:

    • Colonoscopy was performed on 239 patients with unexplained rectal bleeding.
    • Digital, proctosigmoidoscopic, and barium studies were conducted prior to colonoscopy.

    Main Results:

    • A cause for bleeding was identified in 95 patients.
    • Significant findings included adenomatous polyps (39), inflammatory bowel disease (24), and carcinomas (23, 10% of cases).

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  • Diverticular disease was present in 40 patients, with some also having polyps or carcinomas.

    • Conclusions:

    • Colonoscopy is a valuable tool for investigating unexplained rectal bleeding.
    • It aids in diagnosis and treatment, potentially preventing unnecessary exploratory surgery (laparotomy).