Underarm Lumps: When to Seek Medical Advice - Oncology

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When it comes to underarm lumps, it's important to understand the various potential causes and when to seek medical advice. In your case, you initially experienced pain in your left armpit and discovered a lump approximately 1 cm in size. After a consultation with a general surgeon, you were informed that it appeared to be folliculitis, which is an inflammation of the hair follicles, and that it would likely resolve on its own. However, despite the pain subsiding, the lump has not decreased in size.

Firstly, it is not uncommon for lumps in the underarm area to be benign, such as cysts, lipomas (fatty tumors), or swollen lymph nodes. Folliculitis can indeed cause localized swelling and tenderness, but it typically resolves with time and may not leave a residual lump. If the lump persists without any associated symptoms like pain, redness, or fever, it may not be a cause for immediate concern. However, the fact that it has not decreased in size after several days warrants further evaluation.

Here are some key points to consider regarding underarm lumps:
1. Duration and Size: If a lump persists for more than two weeks without any change in size or symptoms, it is advisable to seek further medical evaluation. While many lumps are benign, a lump that does not resolve may require further investigation to rule out other conditions.

2. Associated Symptoms: Pay attention to any additional symptoms that may arise, such as fever, night sweats, unexplained weight loss, or changes in the skin over the lump (like redness or warmth). These could indicate an infection or other underlying issues that need to be addressed.

3. Self-Examination: Continue to monitor the lump. If it changes in size, becomes painful, or if you notice any new lumps in the area, it is important to return to your healthcare provider for further assessment.

4. Imaging Studies: If the lump remains unchanged, your doctor may recommend imaging studies such as an ultrasound or MRI to get a better understanding of its nature. This can help differentiate between benign and potentially malignant lumps.

5. Biopsy: In some cases, if there is suspicion of a more serious condition, a biopsy may be necessary to obtain a definitive diagnosis.

6. Follow-Up: If your healthcare provider initially suggested a wait-and-see approach, it is still important to have a follow-up appointment to reassess the lump, especially if it has not changed.

In summary, while many underarm lumps are benign and can resolve on their own, it is crucial to remain vigilant. Since your lump has not decreased in size and you have already sought medical advice, it would be prudent to follow up with your healthcare provider for further evaluation. They may consider additional diagnostic tests to ensure that the lump is not indicative of a more serious condition. Always trust your instincts; if something feels off or concerning, seeking a second opinion is a reasonable and often wise course of action.