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Related Experiment Videos

Gynecomastia as a physical finding in normal men.

F Q Nuttall

    The Journal of Clinical Endocrinology and Metabolism
    |February 1, 1979
    PubMed
    Summary

    Palpable gynecomastia, the presence of breast tissue in men, is common, affecting 36% of normal adult males. Its prevalence increases with age, reaching 57% in men over 44.

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    Area of Science:

    • Endocrinology
    • Men's Health
    • Clinical Research

    Background:

    • Gynecomastia is a common clinical finding in men.
    • Understanding its prevalence in healthy individuals is crucial for accurate diagnosis.

    Purpose of the Study:

    • To determine the prevalence of palpable gynecomastia in a cohort of normal adult men.
    • To analyze the relationship between age and gynecomastia prevalence.

    Main Methods:

    • A cross-sectional study involving 306 adult men aged 17-58 years.
    • Physical examination to assess the presence and characteristics of palpable breast tissue.

    Main Results:

    • Palpable gynecomastia was detected in 36% of the participants.
    • The condition was predominantly bilateral and typically measured 4 cm or less.
    • Prevalence increased with age, notably in men over 44 (57%) and the 20-24 age group.

    Conclusions:

    • Palpable gynecomastia is a frequent finding in asymptomatic adult men.
    • The high prevalence necessitates careful consideration when evaluating potential causes like medications or disease states.

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