Lumps Underarm: Causes and When to Seek Help - Oncology

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Understanding lumps in the underarm area can be concerning, especially when they change in size or cause discomfort. Based on your description, it seems you have noticed a hard lump under your armpit that has been present for several years, with the right side appearing larger and causing some pain upon pressure. This situation warrants a closer examination and understanding of potential causes.

Lumps in the underarm can arise from various conditions, including:
1. Lymphadenopathy: The most common cause of lumps in the armpit is swollen lymph nodes. These can become enlarged due to infections, inflammation, or other medical conditions. The lymph nodes can swell in response to infections in the body, such as a cold or skin infection.

2. Cysts: Sebaceous cysts or epidermoid cysts can develop in the underarm area. These are generally benign and filled with keratin. They can become inflamed or infected, leading to discomfort.

3. Lipomas: These are soft, fatty lumps that can develop under the skin. They are usually painless and benign but can be removed if they become bothersome.

4. Infections: Conditions such as hidradenitis suppurativa can lead to painful lumps in the armpit due to blocked sweat glands and subsequent infection.

5. Breast-related issues: In some cases, lumps in the underarm may be related to breast tissue, especially in women. Conditions such as fibrocystic changes or even breast cancer can present with lymph node involvement.

6. Other conditions: Rarely, lumps can be indicative of more serious conditions, such as tumors or malignancies.
Given that you have a history of using antiperspirants and have undergone Botox injections for excessive sweating, it is important to consider that these treatments can sometimes lead to changes in the skin or underlying tissues, potentially contributing to the formation of lumps. However, the increase in size and tenderness of the lump on the right side is particularly concerning and should not be ignored.


When to Seek Help
You should seek medical attention if you notice any of the following:
- The lump increases in size or changes in shape.

- The lump becomes painful or tender.

- You experience other symptoms such as fever, night sweats, or unexplained weight loss.

- There are changes in your skin over the lump, such as redness or warmth.


Which Specialist to See
For evaluation of lumps in the underarm area, it is advisable to consult a healthcare provider who specializes in dermatology or general surgery. A dermatologist can assess skin-related issues, while a general surgeon can evaluate deeper tissue concerns. If there is a suspicion of a lymphatic or systemic issue, a primary care physician or an internist may also be appropriate for initial evaluation.


Conclusion
In summary, while many lumps in the underarm area are benign, changes in size, tenderness, or associated symptoms warrant a thorough evaluation. Early diagnosis and treatment can help address any underlying issues and provide peace of mind. It is always better to err on the side of caution when it comes to changes in your body. Make an appointment with a healthcare professional to discuss your symptoms and receive appropriate care.