Armpit Pain: Causes and Concerns Beyond Breast Cancer

Axillary pain?

Hello doctor, what could be the reason for persistent pain in my armpit (it only hurts when pressed)? However, when I press carefully, I don't feel any swollen lymph nodes.
Sometimes it feels better and doesn't hurt, but at other times it does hurt.
I researched and found that armpit pain could be related to breast cancer, but since I am a male, the likelihood of that is lower.
Additionally, this condition has been ongoing for a long time.
I think if it were breast cancer and I hadn't received treatment, I probably wouldn't be here asking questions...
So what could be causing the armpit pain? Thank you~~ A previous doctor mentioned that as long as it gets better, it's not a concern, but it gets better and then hurts again.
The pain comes and goes, which is quite bothersome.
Thank you, doctor.

Niming, 20~29 year old female. Ask Date: 2016/07/25

Dr. Wu Jianting reply Breast and Thyroid

1.
Male breast cancer does exist, but the probability is very low, so there is no need for excessive concern.

2.
Axillary pain is not necessarily related to the breast; it may also originate from the muscles or nerves around the axilla.
The key focus should be on whether a lump can be felt, especially if a painless lump is detected, which warrants further caution.

3.
If there are still concerns, it is advisable to seek an examination at an outpatient clinic.
Thank you for your inquiry.

Reply Date: 2016/07/25

More Info

Armpit pain can be a perplexing symptom, especially when it seems to come and go without a clear explanation. While your concern about breast cancer is understandable, especially given the association of armpit pain with lymphatic involvement in breast cancer, it is important to consider a broader range of potential causes, particularly since you are male and the incidence of breast cancer in men is significantly lower.

Possible Causes of Armpit Pain
1. Muscle Strain: One of the most common causes of armpit pain is muscle strain. This can occur from activities that involve lifting, pushing, or pulling, which can strain the muscles in the shoulder and upper arm, leading to referred pain in the armpit area.

2. Nerve Compression: Conditions such as thoracic outlet syndrome can lead to nerve compression in the neck or shoulder area, causing pain that radiates to the armpit. This can happen due to anatomical variations, poor posture, or repetitive activities.

3. Lymphatic Issues: While you mentioned that you do not feel swollen lymph nodes, it’s worth noting that lymphatic congestion or inflammation can still occur without noticeable swelling. This can happen due to infections or other inflammatory conditions.

4. Infections: Skin infections, such as folliculitis or abscesses, can cause localized pain in the armpit. Additionally, systemic infections can lead to lymphadenopathy and discomfort in the area.

5. Hernias: Although less common, a hernia in the upper abdomen can sometimes present with referred pain in the armpit area.

6. Referred Pain from Other Conditions: Conditions affecting the heart, lungs, or gastrointestinal tract can also cause referred pain to the armpit. For example, heart issues can sometimes manifest as pain in the shoulder or armpit.

7. Skin Conditions: Dermatitis or other skin conditions affecting the armpit area can lead to discomfort and pain, especially if there is itching or irritation involved.

When to Seek Medical Attention
Given that your pain has been persistent and fluctuates in intensity, it would be prudent to consult a healthcare professional for a thorough evaluation. They may recommend imaging studies, such as an ultrasound or MRI, to assess the soft tissues and rule out any underlying issues. Additionally, a physical examination can help identify any musculoskeletal causes of your pain.

Conclusion
In summary, while armpit pain can be associated with serious conditions, including breast cancer, it is often related to more benign causes such as muscle strain, nerve compression, or infections. Since you have been experiencing this discomfort for a prolonged period, it is essential to seek medical advice to determine the exact cause and receive appropriate treatment. Remember, early intervention can often lead to better outcomes, and addressing your concerns with a healthcare provider can provide you with peace of mind.

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