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Related Experiment Videos

Human chorionic gonadotropin as a tumor marker.

J L Vaitukaitis

    Annals of Clinical and Laboratory Science
    |July 1, 1974
    PubMed
    Summary

    Ectopic human chorionic gonadotropin (hCG) secretion by tumors is a known phenomenon. A new assay identified hCG in patients with stomach, liver, ovary, and testis tumors, suggesting its potential as a tumor marker.

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    Area of Science:

    • Endocrinology
    • Oncology
    • Biochemistry

    Background:

    • Ectopic hormone production by tumors has been recognized for decades.
    • Initially identified through clinical signs of hormone excess.
    • Advanced assays detect inactive fragments and precursor forms of hormones.

    Purpose of the Study:

    • To evaluate human chorionic gonadotropin (hCG) as a potential tumor marker.
    • To screen for ectopic hCG secretion in patients with various tumors.
    • To utilize a specific hCG assay capable of differentiating hCG from hLH.

    Main Methods:

    • Screening of several hundred patient sera using a specific hCG assay.
    • The assay selectively measures hCG in plasma containing both hLH and hCG.
    • Patients had a wide variety of diagnosed tumors.

    Main Results:

    • The specific hCG assay detected ectopic hCG secretion in patients with various tumors.
    • The highest incidence of ectopic hCG secretion was observed in patients with tumors of the stomach, liver, ovary, and testis.
    • Findings suggest hCG's utility as a tumor marker.

    Conclusions:

    • Ectopic hCG secretion is prevalent in specific tumor types.
    • A specific hCG assay can effectively identify this phenomenon.
    • hCG shows promise as a valuable tumor marker for certain cancers.

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