Persistent Pain in Armpit and Breast: What Could It Mean?

Pain upon palpation of the axilla?

There is pain when pressing on the junction between the left armpit and the outer upper side of the breast.
An ultrasound was performed at the hospital, and the doctor did not find any issues.
However, the symptoms have persisted for the past two years.
What could be the cause of this condition?

nini, 40~49 year old female. Ask Date: 2012/07/17

Dr. Zhou Jiazhen reply Breast and Thyroid

Dear Nini,
Hello.
You should consider whether there is an issue with accessory breast tissue.
During embryonic development, breast tissue is distributed from the axilla to the lower abdomen.
If there is incomplete regression, residual breast tissue may remain, most commonly in the axillary region.
This tissue, like normal breast tissue, can respond to hormonal stimulation and may exhibit symptoms.
It is important to perform a monthly self-examination to check for any enlargement, and to have regular annual check-ups with a breast surgeon.
Wishing you safety and health.
Sincerely,
Dr.
Chou Chia-Cheng
Director of Surgery, Taoyuan General Hospital, Department of Health

Reply Date: 2012/07/17

More Info

Persistent pain in the armpit and breast can be concerning, especially when it has lasted for an extended period, such as two years in your case. While you've already undergone an ultrasound that did not reveal any significant issues, it's important to consider various potential causes for your symptoms.

Firstly, pain in the armpit and breast area can be attributed to several benign conditions. One common cause is fibrocystic breast changes, which can lead to tenderness, pain, and the formation of lumps in the breast tissue. These changes are often influenced by hormonal fluctuations, particularly during the menstrual cycle. If you notice that your symptoms correlate with your cycle, this could be a contributing factor.

Another possibility is musculoskeletal pain, which can arise from muscle strain or tension in the chest and shoulder area. Activities that involve lifting or repetitive movements, such as exercising or lifting weights, can lead to muscle soreness that may be felt in the breast and armpit regions. Given that you mentioned persistent pain, it could be worthwhile to evaluate your physical activities and consider whether they might be contributing to your discomfort.

Lymphadenopathy is another consideration. Swollen lymph nodes in the armpit can cause pain and discomfort. This can occur due to infections, inflammation, or even benign conditions. If you have had any recent infections or illnesses, this might explain the pain. In some cases, lymph nodes can remain enlarged for a prolonged period even after the initial cause has resolved.

Additionally, while less common, nerve-related pain could be a factor. Conditions such as thoracic outlet syndrome or pinched nerves in the neck or upper back can lead to referred pain in the breast and armpit areas. This type of pain is often described as sharp or shooting and may be accompanied by tingling or numbness.

It's also essential to consider the possibility of breast conditions such as infections or abscesses, particularly if there is a history of previous infections in the area. Although your ultrasound did not indicate any issues, if you experience symptoms such as redness, warmth, or discharge, it would be prudent to seek further evaluation.

Lastly, while the likelihood is low, persistent pain in the breast and armpit should not be dismissed entirely as a potential sign of breast cancer, especially if there are any accompanying changes in the breast tissue, such as new lumps, changes in size or shape, or skin changes. Regular self-examinations and follow-ups with your healthcare provider are crucial for monitoring any changes.

In summary, while your ultrasound did not reveal any immediate concerns, the persistence of your symptoms warrants further investigation. It would be advisable to consult with a healthcare professional who can conduct a thorough examination, possibly including additional imaging or tests, to rule out any underlying conditions. Keeping a detailed record of your symptoms, including their frequency, intensity, and any associated factors, can also be beneficial for your healthcare provider in determining the best course of action.

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