Lumps Under the Armpit: Causes and When to Seek Help - Surgery

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Understanding lumps under the armpit can be concerning, especially when accompanied by symptoms such as pain, weakness, and discomfort. Based on your description, it appears that you have a soft, round lump in your left armpit that has become more prominent and painful over the past few weeks. You also mentioned experiencing weakness in your left arm, tingling in your pinky finger, and a burning sensation that radiates from your armpit to your breast, neck, and ear. Additionally, you have experienced fever and discomfort, although the burning sensation has subsided.

Lumps in the armpit can arise from various causes, including:
1. Lymphadenopathy: Swollen lymph nodes are a common cause of lumps in the armpit. This can occur due to infections (such as viral or bacterial infections), inflammatory conditions, or malignancies. The presence of fever and discomfort may suggest an underlying infection or inflammatory process.

2. Cysts: Soft lumps can also be sebaceous cysts or other types of benign cysts. These are usually harmless and may not require treatment unless they become infected or bothersome.

3. Lipomas: These are benign tumors made of fat tissue and are typically soft and movable. They are generally painless and do not require treatment unless they cause discomfort or cosmetic concerns.

4. Infections: Conditions such as abscesses or infections in the skin or deeper tissues can lead to painful lumps. If an infection is present, it may require antibiotics or drainage.

5. Breast-related issues: Given that you also mentioned discomfort in your left breast, it is essential to consider breast-related conditions, including benign breast lumps or, in rare cases, breast cancer.

6. Nerve-related issues: The tingling sensation in your pinky finger and weakness in your arm could indicate nerve compression or irritation, possibly due to a condition such as thoracic outlet syndrome or a herniated disc in the cervical spine.

Given your symptoms and the fact that the lump has persisted and is associated with discomfort, it is crucial to seek further evaluation. Here are some recommendations:
1. Follow-Up with a Specialist: Since you have already had an ultrasound and X-ray, consider following up with a specialist, such as a general surgeon or an oncologist, who can perform a thorough examination and possibly recommend further imaging studies, such as an MRI or CT scan, to assess the lump and surrounding tissues.

2. Monitor Symptoms: Keep track of any changes in the lump, such as size, shape, or tenderness. Note any new symptoms, such as increased pain, swelling, or changes in sensation.

3. Consider Blood Tests: Blood tests can help assess for signs of infection or inflammation, as well as evaluate your overall health.

4. Physical Therapy: If you are experiencing weakness and discomfort in your arm, physical therapy may help improve strength and alleviate symptoms related to nerve compression.

5. Avoid Self-Diagnosis: While it is tempting to search for answers online, it is essential to consult with healthcare professionals who can provide an accurate diagnosis and appropriate treatment plan based on your specific situation.

In summary, while the lump under your armpit may be benign, the associated symptoms warrant further investigation. It is essential to seek medical advice to rule out any serious conditions and to receive appropriate treatment to alleviate your discomfort. Your health and well-being should always be a priority, so do not hesitate to reach out for help.