Male Gynecomastia and Breast Health Concerns - Breast and Thyroid

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Gynecomastia? Breast cancer?


Hello, doctor! Since I entered puberty, I have had hard lumps located directly beneath both areolas (measured when lying down), and they are still present now.
After researching online, I suspect it might be gynecomastia, as it hasn't affected me much, so I haven't paid much attention to it.
Recently, as I have been developing, the hard lumps beneath the areolas are still there, but their shape seems to have changed a bit compared to when I first noticed them during puberty.
Additionally, on the left breast, there is a flat, round hard lump located about 2 cm above the areola (on the side closer to my hand), and a little further away, approximately 4-5 cm from the areola, there is another flat hard lump.
Both lumps are movable.
My mother had breast cancer, but if I remember correctly, it was benign.
Could this condition be breast cancer? Thank you.

Ivan, 20~29 year old female. Ask Date: 2020/05/04

Dr. Yuan Tianmin reply Breast and Thyroid


First, let me correct your statement: cancer cannot be benign.
Additionally, your condition may require a visit to a specialist for an ultrasound examination, as an external physical examination alone cannot definitively determine your condition.

Reply Date: 2020/05/04

More Info


Understanding male gynecomastia and breast health concerns is crucial, especially when there are noticeable changes in breast tissue. Based on your description, it seems that you have been experiencing hard lumps beneath the areola since puberty, which you suspect may be gynecomastia. Gynecomastia is a condition characterized by the enlargement of breast tissue in males, often due to hormonal imbalances, particularly an increase in estrogen or a decrease in testosterone.

The presence of hard lumps in the breast area can be concerning, especially given your family history of breast cancer. However, it is important to differentiate between gynecomastia and potential malignancies. Gynecomastia typically presents as a firm, rubbery mass that is often located beneath the nipple and can be bilateral or unilateral. The fact that your lumps are movable and have been present for a long time without significant changes in size or shape is generally reassuring. However, any changes in the characteristics of these lumps, such as shape, size, or associated symptoms like pain or discharge, warrant further evaluation.

In your case, the changes you’ve noticed in the shape of the lumps and the presence of additional lumps could indicate a need for a follow-up with a healthcare provider. While gynecomastia is common and often benign, it can sometimes be associated with other conditions, including hormonal disorders or, in rare cases, breast cancer. The risk of male breast cancer is significantly lower than that of female breast cancer, but it is not negligible, especially in individuals with a family history of breast cancer.

Given your mother's history of breast cancer, it is prudent to be vigilant. Although her cancer was benign, it may still increase your risk factors. It is advisable to consult with a healthcare professional, preferably a breast specialist or an endocrinologist, who can perform a thorough clinical examination and possibly recommend imaging studies, such as a mammogram or ultrasound, to assess the nature of the lumps. Blood tests to evaluate hormone levels may also be beneficial in understanding the underlying cause of your gynecomastia.

In summary, while your symptoms may be consistent with gynecomastia, the changes you’ve described, particularly in the context of your family history, should not be ignored. Regular monitoring and professional evaluation are essential to ensure that any potential issues are addressed promptly. Remember, early detection is key in managing any health concerns, and it is always better to err on the side of caution when it comes to changes in breast tissue.

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