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Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

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The true prevalence is unknown since it may be difficult to distinguish from lipomastia.

  • asymptomatic gynecomastia is found on examination in one third to two thirds of men and at autopsy in 40 to 55% of men (1)

    • three peaks of distribution for asymptomatic gynecomastia has been observed -
      • neonatal - in 60%-90%
      • pubertal - 50%-60%
      • elderly males - up to 70% (2)

  • the prevalence rate of symptomatic gynecomastia is noted to be significantly lower.

Cancer of the breast is diagnosed in around 1% of the patients with breast enlargement (3).


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