Male Breast Issues: A Guide for Teens and Parents

Male breast issues

I am a 16-year-old male, 170 cm tall and weighing 55 kg.
About a week ago, I noticed a movable lump under my nipple that is less than one centimeter in size and is painful when pressed.
Today, I accidentally bumped it and experienced some pain, but there are no visible changes like swelling or indentation; everything looks normal.
I have no other issues elsewhere.
Could you please tell me what this condition might be? Is it related to puberty? Additionally, I've been staying up later than usual for the past three weeks; could this be a contributing factor? Thank you for your help.

Xiao Di, 10~19 year old female. Ask Date: 2021/06/22

Dr. Yuan Tianmin reply Breast and Thyroid

I think this may still be related to issues during the development of boys, so there's no need to be overly concerned.

Reply Date: 2021/06/22

More Info

Understanding male breast issues, particularly during the teenage years, can be a source of confusion and concern for many young men and their parents. The situation you described, where you have a movable lump under your nipple that is tender to the touch, is not uncommon during puberty.
During puberty, boys undergo significant hormonal changes that can lead to various physical developments, including changes in breast tissue. This condition is often referred to as gynecomastia, which is the enlargement of breast tissue in males. It can occur due to an imbalance between testosterone and estrogen levels in the body. In many cases, gynecomastia is a normal part of puberty and may resolve on its own as hormone levels stabilize.

The lump you are feeling could be a benign condition related to these hormonal changes. It is important to note that gynecomastia can present as a firm or tender lump beneath the nipple, and it may be sensitive to pressure. The fact that you mentioned it is movable and not fixed to the surrounding tissue is a positive sign, as fixed lumps may warrant further investigation.

Regarding your concerns about the pain you experienced after bumping into something, it is possible that the trauma could have caused temporary discomfort, especially if the area is already sensitive due to the underlying condition. However, if the pain persists or worsens, or if you notice any changes in the lump's size or characteristics, it would be wise to consult a healthcare professional for a thorough evaluation.

As for your recent changes in sleep patterns, while poor sleep can affect overall health and hormone regulation, it is unlikely to be the direct cause of the lump you are experiencing. However, maintaining a healthy lifestyle, including proper sleep, nutrition, and exercise, is crucial during these formative years.

If you are concerned about the lump or if it does not resolve over time, it is advisable to see a doctor, preferably an endocrinologist or a pediatrician with experience in adolescent health. They may recommend imaging studies, such as an ultrasound, to assess the lump further and rule out any other conditions.
In summary, while the lump you are experiencing is likely related to the normal changes of puberty, it is essential to monitor it and seek medical advice if you have any concerns. Gynecomastia is common among adolescents and often resolves without intervention. However, understanding the condition and being proactive about your health is important. Remember, you are not alone in this experience, and many young men go through similar changes during their teenage years.

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