Lumps in the Armpit: When to Seek Medical Attention - Oncology

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When it comes to lumps in the armpit, it is essential to understand the potential causes and when to seek medical attention. Based on your description, you have a lump in your right armpit that has changed in size and has been associated with pain, redness, and the ability to express a white substance. This situation warrants careful consideration.

Firstly, it is important to note that lumps in the armpit can arise from various conditions, including benign (non-cancerous) and malignant (cancerous) causes. Common benign causes include:
1. Sebaceous Cysts: These are small lumps that can occur when sebaceous glands become blocked. They are typically painless and can sometimes express a white, cheesy substance when squeezed.

2. Lymphadenopathy: Enlarged lymph nodes can occur due to infections (like a cold or skin infection), inflammatory conditions, or even malignancies. Pain and tenderness often accompany lymphadenopathy, especially if it is due to an infection.

3. Lipomas: These are soft, fatty lumps that are usually painless and can be moved under the skin.

4. Infections: Bacterial or viral infections can lead to swollen lymph nodes or abscesses, which may present as painful lumps.

Given that you have a history of a similar lump on the left side, it is possible that the right lump could be a sebaceous cyst or a lymph node reacting to an infection. The fact that it has changed in size, has been painful, and has shown signs of redness is concerning and suggests that it may be inflamed or infected.


When to Seek Medical Attention
You should seek medical attention if you experience any of the following:
- Persistent Growth: If the lump continues to grow in size or does not resolve over time.

- Pain: If the pain persists or worsens, especially if it is severe.

- Redness and Warmth: If the area around the lump becomes increasingly red, warm, or swollen, indicating possible infection.

- Fever: If you develop a fever, which could indicate a systemic infection.

- Changes in Appearance: If the lump changes in texture, color, or if you notice any discharge that is unusual.

- Associated Symptoms: If you experience other symptoms such as unexplained weight loss, night sweats, or fatigue, which could be signs of a more serious condition.


Diagnostic Approach
A healthcare provider will likely perform a physical examination and may recommend imaging studies, such as an ultrasound, to assess the lump further. In some cases, a biopsy may be necessary to determine the nature of the lump, especially if there is concern about malignancy.


Conclusion
While many lumps in the armpit are benign, the changes you have described—particularly the increase in size, pain, and the ability to express a white substance—suggest that it is prudent to seek medical evaluation. Early diagnosis and treatment are key to addressing any underlying issues effectively. Please consult with a healthcare professional for a thorough assessment and appropriate management of your condition.