Swollen Lymph Nodes: Causes and Concerns - Oncology

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Swollen lymph nodes, particularly in the axillary region, can be a source of concern and confusion for many individuals. The lymphatic system plays a crucial role in the body’s immune response, and lymph nodes act as filters for harmful substances. When lymph nodes swell, it often indicates that the body is responding to an infection, inflammation, or sometimes more serious conditions such as malignancies.

In your case, you mentioned that you have noticed a significant increase in the size of your axillary lymph node, which has become painful and swollen over the past week. This change, especially following a dental procedure like wisdom tooth extraction, could indeed be related. Dental infections or procedures can lead to localized inflammation and swelling of lymph nodes as the body responds to the potential infection. The lymph nodes in the neck and under the arms are particularly responsive to infections in the head, neck, and upper body.

The size of the lymph node you described (3 to 5 cm) is considered enlarged, and while lymph nodes can swell for benign reasons, such as infections or immune responses, persistent or significantly enlarged lymph nodes warrant further evaluation. The fact that you have experienced similar swelling in the past could indicate a pattern, possibly related to your immune system's response to various stimuli, including infections or even lifestyle factors.

You also mentioned a history of poor immune function, which could contribute to recurrent lymphadenopathy (swollen lymph nodes). Factors such as stress, inadequate hydration, poor nutrition, and lack of exercise can all impact immune health. Your preference for sugary drinks may also play a role, as high sugar intake can lead to inflammation and negatively affect immune function.

Given your symptoms and history, it is advisable to consult a healthcare professional for a thorough evaluation. A physical examination, along with imaging studies like ultrasound or CT scans, may be necessary to assess the lymph node's characteristics and rule out any serious conditions. Blood tests may also be conducted to check for signs of infection or other underlying issues.

In summary, while swollen lymph nodes can often be benign and related to infections, the significant increase in size and associated pain should not be ignored. It is essential to seek medical advice to determine the underlying cause and receive appropriate management. Regular follow-ups and maintaining a healthy lifestyle can help support your immune system and potentially reduce the frequency of such occurrences in the future.