Understanding armpit lumps: Their causes, symptoms, and potential concerns
Cancerous armpit lumps are a concerning health issue that warrants immediate attention. These lumps can be caused by various factors, with breast cancer metastasis and lymphoma being the most common culprits.
## Common Causes of Cancerous Armpit Lumps
Breast cancer is a leading cause of armpit lumps due to the presence of lymph nodes in the armpit (axilla) that drain the breast and nearby tissues. Cancer cells can spread to these lymph nodes, leading to a painful or painless lump.
Both Hodgkin and non-Hodgkin lymphoma can also cause painless, persistent lymph node enlargement in the armpit. Indolent lymphoma, a subtype of non-Hodgkin lymphoma, is characterized by slow-growing cancer cells that may not cause symptoms for years.
Less commonly, cancers from other organs such as the lung or melanoma can metastasize to the axillary lymph nodes.
## Symptoms
The most common symptom of a cancerous armpit lump is a painless or sometimes tender lump in the armpit that does not resolve over time and may grow. Skin changes, such as redness or dimpling, are less common but may occur if cancer is advanced.
Systemic symptoms like night sweats, unexplained weight loss, or fever may also be present, particularly with lymphoma. Breast cancer may also present with breast lumps, nipple changes, or discharge. If the lump is large, it may cause discomfort, pain, or limit arm movement.
## Diagnosis
A doctor will begin by asking about symptoms and performing a physical exam to assess the lump’s characteristics. Imaging tests such as ultrasound, CT scan, MRI, or PET scan may be used to evaluate the lump and surrounding tissues.
A sample of tissue or fluid from the lump is taken (fine needle aspiration or core needle biopsy) for laboratory analysis. In cases of suspected breast cancer metastasis, a sentinel lymph node biopsy may be performed during surgery to determine if cancer has spread to the lymph nodes. Blood tests may help identify infection or lymphoma markers.
## Treatment Options
Treatment for cancerous armpit lumps depends on the type of cancer and its stage. Surgery, radiation therapy, chemotherapy, immunotherapy, and targeted therapy are common treatment options.
If breast cancer has spread to the armpit lymph nodes, surgical procedures such as sentinel lymph node biopsy or axillary lymph node dissection may be performed to remove affected nodes and assess the extent of spread. Radiation therapy and chemotherapy are used to target and destroy cancer cells in the armpit and surrounding area, often after surgery.
Immunotherapy and targeted therapy are newer treatments that are used for certain types of lymphoma and some advanced breast cancers, targeting specific cancer cell markers or boosting the immune system.
For indolent lymphomas, where there are no significant symptoms or spread, doctors may recommend monitoring the condition instead of immediate aggressive treatment.
In some cases, additional treatments like hormone therapy (for hormone receptor-positive breast cancer) or stem cell transplant (for aggressive lymphoma) may be considered.
It is crucial to seek medical attention promptly if you notice any symptoms of an armpit lump. Regular breast self-exams and routine doctor visits are essential for early detection and effective treatment.
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