What is Gynecomastia?
Gynecomastia is overdevelopment of the male breast. In response to too much estrogen (a female hormone) or too little testosterone (a male hormone), the glandular tissue of the breast swells and forms a breast bud (enlarged breast). Gynecomastia can occur in babies, teen boys, and older men.
What causes Gynecomastia?
In newborns, gynecomastia is caused by estrogen from the mother. Breast buds are common in baby boys. Breast buds tend to go away gradually by 6 months of age, but they can last longer in some babies.
In preteen boys, gynecomastia can also be caused by an estrogen-producing tumor. Breast buds are common during puberty. The buds may last up to 2 years, but they tend to go away within the first year.
In teen boys, gynecomastia is caused by the hormonal changes of puberty. Gynecomastia occurs in many boys during early puberty to middle puberty. It usually goes away within 6 months to 2 years.
In adult males, gynecomastia is usually caused by another condition, such as liver or lung cancer, cirrhosis of the liver, overactive thyroid, or by hormone problems, such as cancer of the pituitary gland, adrenal glands, or testicles. Alcohol, marijuana, methamphetamine, and heroin use also may cause gynecomastia.
What are the Symptoms?
In addition to having enlarged breasts, men or boys with gynecomastia may notice their breasts feel rubbery or firm. Boys may have a breast bud on one or both sides about the size of a nickel or quarter. Breast buds are common in adolescent boys during puberty. They may last up to 2 years, but they tend to go away within the first year.
How is Gynecomastia Diagnosed?
Gynecomastia can usually be diagnosed from a physical examination and medical history. In most cases, tests are not necessary. But if the breast lump is unusually large, one-sided, tender, or hard and fixed, a biopsy may be done to rule out other problems.
Any man who finds a one-sided breast lump should let his doctor know if he has close relatives who have had breast cancer (mother, sister, or daughter). If there is any concern about cancer, a lump can be checked with a biopsy or surgery.
How is it Treated?
Gynecomastia in babies and teens normally does not require treatment and will usually go away on its own. If it is caused by medicine or disease, stopping the medicine or treating the disease will often cure the gynecomastia. If it is caused by a lack of testosterone and increase in estrogen, hormonal treatment may be prescribed.
Have you or a family member taken medicine that resulted in overdevelopment of the male breasts? Contact us right away or learn about Risperdal Lawsuits.
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