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Related Experiment Videos

Carcinoembryonic antigen in faeces.

D L Freed, G Taylor

    British Medical Journal
    |January 8, 1972
    PubMed
    Summary
    This summary is machine-generated.

    Carcinoembryonic antigen (CEA) is found in small amounts in healthy stool, but significantly increases in patients with gastrointestinal cancers, particularly colon cancer. This suggests CEA as a potential biomarker for bowel malignancies.

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    Area of Science:

    • Gastroenterology
    • Oncology
    • Biomarker Discovery

    Background:

    • Carcinoembryonic antigen (CEA) is a protein associated with certain cancers.
    • The presence and levels of CEA in fecal matter require further investigation for diagnostic potential.
    • Gastrointestinal cancers, especially colorectal cancer, represent a significant health burden.

    Purpose of the Study:

    • To investigate the presence and levels of Carcinoembryonic antigen (CEA) in fecal samples.
    • To determine if CEA levels differ between healthy individuals, patients with gastrointestinal cancer, and those with non-neoplastic bowel diseases.
    • To evaluate the potential of fecal CEA as a biomarker for gastrointestinal malignancies.

    Main Methods:

    • Detection of Carcinoembryonic antigen (CEA) in fecal samples.

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  • Comparison of CEA detection rates across three groups: healthy volunteers, gastrointestinal cancer patients, and patients with non-neoplastic bowel disease.

    • Main Results:

    • CEA was detected in 50% of healthy volunteers.
    • CEA was detected in approximately 67% of gastrointestinal cancer patients (12/18), with a high detection rate (10/11) in colonic cancer cases.
    • CEA was detected in 3 out of 13 patients with non-neoplastic bowel disease.

    Conclusions:

    • Carcinoembryonic antigen (CEA) may be present in low levels in normal fecal matter.
    • Significantly elevated levels of fecal CEA are associated with malignant conditions of the bowel, particularly colon cancer.
    • Fecal CEA shows potential as a diagnostic marker for gastrointestinal cancers.