a Small Hard Lump in Your Armpit: When to See a Doctor - Surgery

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There is a small hard lump under the armpit?


Hello Doctor: Recently, I noticed a small, hard lump next to my armpit.
It doesn't hurt or itch, and it's not very noticeable unless I touch it.
I don't have any other discomfort in my body.
What could this be, and should I see a doctor?

Haha123, 10~19 year old female. Ask Date: 2016/03/20

Dr. Li Zhonghuai reply Surgery


Hello! There are two common types of subcutaneous tumors: lipomas and sebaceous cysts.
Lipomas are painless and do not grow larger, so they can be monitored.
However, sebaceous cysts need to be surgically removed.
Changhua Hospital cares about you!

Reply Date: 2016/03/20

More Info


When you discover a small, hard lump in your armpit that is not painful or itchy, it can understandably cause concern. While many lumps in this area can be benign, it is essential to understand the potential causes and when to seek medical advice.

Lumps in the armpit can arise from various conditions, including:
1. Lymph Nodes: The armpit contains lymph nodes, which are part of the immune system. They can become enlarged due to infections, inflammation, or other conditions. If the lump is a swollen lymph node, it may indicate that your body is fighting an infection, even if you don't feel unwell.

2. Cysts: These are fluid-filled sacs that can develop in various parts of the body, including the armpit. They are usually benign and may not require treatment unless they become infected or bothersome.

3. Lipomas: These are soft, fatty lumps that are generally harmless and do not require treatment unless they cause discomfort or cosmetic concerns.

4. Fibromas: These are benign tumors made of fibrous or connective tissue. They are typically painless and may not require intervention unless they grow or cause discomfort.

5. Infections: Sometimes, an infection in the skin or underlying tissue can lead to the formation of a lump. This may be accompanied by redness, warmth, or swelling.

6. More Serious Conditions: While less common, lumps can also be a sign of more serious conditions, such as tumors (benign or malignant).
Given that your lump is small, hard, and asymptomatic, it may not be an immediate cause for alarm. However, it is essential to monitor it for any changes in size, shape, or associated symptoms (such as pain, redness, or fever).

When to See a Doctor
You should consider seeing a healthcare provider if:
- The lump increases in size or changes in shape.

- You develop new symptoms, such as fever, night sweats, or unexplained weight loss.

- You notice any changes in your overall health or well-being.

- The lump persists for more than a few weeks without improvement.


What to Expect at the Doctor's Office
When you visit a doctor, they will likely perform a physical examination and may ask about your medical history, including any recent infections or illnesses. Depending on their assessment, they may recommend further tests, such as:
- Ultrasound: This imaging test can help determine the nature of the lump.

- Biopsy: If there is concern about the lump being cancerous, a biopsy may be performed to analyze the tissue.


Conclusion
In summary, while a small, hard lump in the armpit that is not painful or itchy may not be an immediate concern, it is essential to monitor it and consult a healthcare provider if you notice any changes or develop new symptoms. Early evaluation can provide peace of mind and ensure that any necessary treatment is initiated promptly. Remember, it is always better to err on the side of caution when it comes to your health.

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