Male Gynecomastia: Causes of Breast Lumps and Pimples - Breast and Thyroid

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Gynecomastia with nodules in males?


In recent months, I have noticed a pimple on my areola that can be squeezed to release pus.
There is also a hard lump nearby that feels round and smooth.
It hurts when I press on it initially, but after pressing for a while, I no longer feel pain.
Could this be caused by gynecomastia, or is it related to the pimple?

!$$, 10~19 year old female. Ask Date: 2020/04/28

Dr. Yuan Tianmin reply Breast and Thyroid


At your age, I wouldn't classify this condition as gynecomastia; I would consider it part of the developmental process.
If you are truly concerned, it would be best to visit a breast clinic for further evaluation.

Reply Date: 2020/04/28

More Info


Gynecomastia, or the enlargement of breast tissue in males, can often be a source of concern and confusion, especially when accompanied by symptoms such as lumps or pimples in the breast area. The situation you described, where you have a pimple-like bump that can be squeezed to release pus, along with a hard lump nearby, raises several important considerations regarding the underlying causes and necessary follow-up.

Firstly, it is essential to differentiate between gynecomastia and other potential conditions that could cause similar symptoms. Gynecomastia is primarily caused by an imbalance between estrogen and testosterone levels in the body. Factors contributing to this imbalance can include hormonal changes during puberty, aging, certain medications (like anabolic steroids), liver disease, and other endocrine disorders. In your case, the presence of a pimple that can be squeezed to release pus suggests that there may be an inflammatory or infectious process at play, rather than gynecomastia itself.

The hard lump you mentioned could be a sebaceous cyst, which is a common condition where a blocked sebaceous gland leads to the accumulation of sebum, resulting in a lump that can sometimes become infected, leading to pus formation. Alternatively, it could be a lipoma, which is a benign tumor made of fat tissue. The pain you experience when pressing on the lump may indicate inflammation or irritation, which is not uncommon with cysts or infections.

It is also important to consider that while gynecomastia itself does not typically cause pimples or pus-filled lesions, the skin around the breast area can still develop acne or other dermatological issues independently. Factors such as hormonal fluctuations, skin hygiene, and even lifestyle choices (like diet and stress) can contribute to the development of acne-like lesions.

Given your symptoms, it is advisable to seek a thorough evaluation from a healthcare professional, preferably a dermatologist or an endocrinologist. They can perform a physical examination and may recommend imaging studies, such as an ultrasound, to assess the nature of the lumps and any associated breast tissue changes. Blood tests to evaluate hormone levels may also be warranted to rule out any underlying endocrine disorders.

In summary, while gynecomastia can lead to breast tissue changes, the specific symptoms you are experiencing—namely, the presence of a pimple that can be squeezed to release pus and a hard lump—suggest that there may be a separate issue at play, such as a cyst or infection. It is crucial to follow up with a healthcare provider to obtain an accurate diagnosis and appropriate treatment. Monitoring any changes in your symptoms and maintaining open communication with your healthcare team will be key in managing your condition effectively.

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