Painful Armpit Lumps: Causes and Next Steps - Oncology

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When it comes to painful lumps in the armpit area, there are several potential causes that need to be considered. The fact that the lump increases in size and pain with touch suggests that it may be an inflammatory or infectious process. Here are some common causes of armpit lumps:
1. Lymphadenopathy: The most common cause of lumps in the armpit is swollen lymph nodes. This can occur due to infections (like a cold or flu), localized infections (such as an abscess or skin infection), or systemic conditions (like autoimmune diseases).

2. Infections: Bacterial infections, such as folliculitis (infection of hair follicles) or abscesses, can lead to painful lumps. These may require drainage or antibiotics.

3. Cysts: Sebaceous cysts can form in the armpit area and may become inflamed or infected, leading to pain and swelling.

4. Lipomas: These are benign tumors made of fat tissue that can occur in various parts of the body, including the armpit. They are usually painless but can become uncomfortable if they press on surrounding structures.

5. Hidradenitis Suppurativa: This chronic skin condition can cause painful lumps in the armpits and other areas where skin rubs together. It is characterized by recurrent abscesses and scarring.

6. Malignancies: Although less common, lumps in the armpit can sometimes be due to cancer, either as a primary tumor or as metastasis from another site.

Given your symptoms of increased size and pain with touch, it is crucial to follow up with a healthcare provider. Here are some recommended next steps:
1. Medical Evaluation: Schedule an appointment with a healthcare professional, preferably a dermatologist or an internist. They can perform a physical examination and may order imaging studies (like an ultrasound) to better understand the nature of the lump.

2. Biopsy: If the lump persists or shows concerning features (such as rapid growth, hardness, or fixed position), a biopsy may be necessary to rule out malignancy or other serious conditions.

3. Avoid Manipulation: As you noted, touching the lump seems to exacerbate the pain and swelling. It is advisable to avoid manipulating the lump to prevent further irritation or potential infection.

4. Symptomatic Treatment: Over-the-counter pain relievers, such as ibuprofen or acetaminophen, can help manage pain and inflammation. Warm compresses may also provide relief.

5. Monitor Symptoms: Keep track of any changes in the lump, including size, pain level, or associated symptoms (like fever or night sweats). This information will be helpful for your healthcare provider.

6. Consider Underlying Conditions: If you have a history of infections or other medical conditions, make sure to discuss these with your doctor, as they may provide context for your symptoms.

In summary, while painful lumps in the armpit can be caused by various conditions, it is essential to seek medical advice for an accurate diagnosis and appropriate treatment. Avoiding manipulation of the lump and monitoring your symptoms will be beneficial until you can see a healthcare provider.