Genetic Links to Lumps in the Armpit: What You Need to Know - Surgery

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There is a hard lump in the armpit?


I am 20 years old and I'm not sure if it's hereditary.
My mother has several hard lumps of varying sizes under both armpits that have been there for a long time, but when she got them checked, they were said to be benign (I’m not sure if they are tumors, but the doctor said there’s no need to worry).
My mother mentioned that this condition might be hereditary.
Recently, I found a small hard lump under my armpit, about 0.3 cm in diameter.
When I was younger, I had a benign tumor on the back of my neck that has already been removed.

Doctor, are the hard lumps under my armpit related to heredity? What could they be, and how can I prevent them? Given my mother's situation, is there anything she should be aware of in the future?

Nìngmíng, 20~29 year old female. Ask Date: 2015/05/22

Dr. Yu Mingchang reply Surgery


Hello: This issue can only be addressed during an outpatient visit.
Changhua Hospital cares about you.

Reply Date: 2015/05/22

More Info


Understanding the genetic links to lumps in the armpit can be a complex topic, especially when considering personal and family medical histories. In your case, it appears that both you and your mother have experienced the presence of lumps in the armpit area, which raises valid concerns about genetic predisposition and the nature of these lumps.

Firstly, it’s important to clarify what these lumps could be. Lumps in the armpit can arise from various causes, including benign conditions such as lipomas (fatty tumors), cysts, or lymphadenopathy (swollen lymph nodes). Since your mother has been evaluated and her lumps were deemed benign, it is reassuring, but it does not completely eliminate the possibility of genetic factors at play.

Genetics can indeed influence the likelihood of developing certain types of lumps or tumors. Conditions such as familial multiple lipomatosis, where individuals develop multiple lipomas, can be inherited. While the specific lumps you and your mother have may not be directly linked to a hereditary condition, the tendency to develop benign tumors can have a genetic component. It’s also worth noting that some benign tumors can occur sporadically, meaning they arise without a clear genetic link.

Regarding your specific lump, which measures about 0.3 cm, it is relatively small. Many benign lumps do not require treatment unless they cause discomfort or cosmetic concerns. However, it is always prudent to monitor any changes in size, shape, or symptoms associated with the lump. If you notice any significant changes, it would be wise to consult a healthcare professional for further evaluation.

In terms of prevention, there are no definitive measures to prevent benign lumps from forming, especially if there is a genetic predisposition. However, maintaining a healthy lifestyle, including a balanced diet and regular exercise, can contribute to overall well-being and may help in managing any underlying conditions that could contribute to lump formation.

As for your mother’s situation, since she has a history of benign lumps, it would be advisable for her to continue regular check-ups with her healthcare provider. They can monitor her condition and provide guidance on any necessary imaging or biopsies if new lumps develop or if existing lumps change. Awareness of any new symptoms, such as pain, swelling, or changes in skin texture over the lumps, should prompt a visit to the doctor.

In conclusion, while there may be a genetic component to the development of lumps in the armpit, it is essential to approach each case individually. Regular monitoring and communication with healthcare providers are key in managing any concerns related to lumps. If you have further questions or if the lump changes, do not hesitate to seek medical advice.

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