Male breast development or gynecomastia is breast development in men because of hormonal changes that stimulate the mammary gland tissue. Both men and women have breast tissues that can be stimulated to grow either through the body’s own sex hormones or external factors that can affect hormone levels or hormonal activities. Development of breast tissues in women is normal and happens because of stimulation with female sex hormone.
Many boys, perhaps as much as 40 percent, may temporarily experience breast development in early adolescence. This is because sex hormone production in the onset of puberty have not yet been refined. In most cases, it disappears by itself within a year.
Male breast development occurs in late adolescence years or adulthood, is not normal and should in most cases examined.
What types of breast development exist in men?
Breast development in one or both sides
Breast development in men most commonly affects on both sides (bilateral gynecomastia), while one-sided (unilateral gynecomastia) development just in about 25 percent of men with breast formation. The chest is in most often sore in the beginning. In some decreases soreness, while it continues in others.
Breast development due to obesity
Lipomas is a state with increased adipose tissue in the chest region. This condition is most commonly caused by obesity. Sometimes there is a combination of gynecomastia and obesity.
Breast cancer in men
Breast cancer in men is a completely different disease than gynecomastia, and the two states have no context. Men with gynecomastia have no increased risk of breast cancer.
Why some men develop breasts?
Male breasts development, due to changes in the balance of estrogen (female sex hormone) and androgen (male sex hormone), resulting in an excess of estrogen. The imbalance may be due to increased estrogen levels, reduced androgen levels or decreased sensitivity in the glandular tissue of male hormone.
This hormonal imbalance may be due to a slowing testicular function, wherein the capacity of the testes to produce the male sex hormone (testosterone) decreases. However, the hormonal imbalance can also occur secondary – that is, as a consequence of other disease or drug therapy. There are numerous main reasons that can cause this hormonal imbalance:
Decreased testicular function (primary testisinsufficiens)
Reduced production of pituitary hormones from the hypothalamus or pituitary gland (GnRH / gonadotropin-stimulating hormone, LH / Leydig cell stimulating hormone / luteinizing hormone)
Hormone-producing tumors (junction formation) in the testes, adrenal glands or elsewhere in the body as:
Genetic disorders (Klinefelter syndrome, Kallmann syndrome)
Liver disease, kidney disease, metabolic disease, heart failure
Overuse of alcohol
Medication side effects (often psychotropic drugs, hormone replacement therapy, blood pressure/heart medicine).
How investigating and providing benefits to breast development in men?
Most men go to their doctor to get examined breast imaging because they fear that it comes to breast cancer. An important task for the practitioner is to determine whether it concerns one of the very few cases of male breast cancer, or in the case of adipose tissue in the chest region due to obesity or ‘true gynecomastia’.
The real gynecomastia is characterized in that one can feel glandular tissue in the chest region. In light cases, breast development is not visible. In other cases, obesity makes it difficult to determine whether there is a genuine gynecomastia. Usually there is no need for imaging study (ultrasound or X-ray), but if you are in doubt as to whether it comes true gynecomastia or in the case of breast development due to obesity, one can make additional imaging study.
If you can feel glandular tissue in the breast area, it will also be appropriate to feel the testicles check whether there should be a module here.
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