Gynecomastia - Definition

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Definition


Gynecomastia is the development of one or two mammary glands, making breasts appear in a man. Common during adolescence because of the introduction of hormonal secretions, and disappearing suddenly in most cases, it is frequently found in adults due to a hormonal imbalance, including a decline in testosterone or an increase of estrogen. It can be a sign of a congenital disease, endocrine disorders, a side effect of certain medications, or a consequence of some tumors that secrete estrogenic hormones such as testicular cancer, for example. The treatment of the cause, if possible, can make the gynecomastia disappear.

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