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What Causes A Lump Under The Armpit?

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Posted on Mon, 22 Jun 2015
Question: Hi Doctor, I have a lump under my left armpit. I had hysterectomy when I was 33 due to a fibrosis in the uterus. What might it be? Thank you
doctor
Answered by Dr. Grzegorz Stanko (26 minutes later)
Brief Answer:
Armpit and breast ultrasound should be done.

Detailed Answer:
Hello!

Thank you for the query.

Can you please attach a photo of it?

Lump under the armpit can be enlarged lymph node or some benign skin lesion including hair follicle infection.
Enlarged lymph node is the fist thing which should be ruled out. Lymph node is usually rounded, hard, painless. Can be movable or not.
Hair follicle inflammation is more possible if you have been shaving recently in this area. Pain, swelling, redness are typical for such issue. Pain can radiate to the arm.

If there is no pain, lymph node is the most probable reason. Please note that lymph node can be associated with breast lump. Please try to carefully palpate your left breast and see if there is no lump there.

You should consult your doctor for sure. Breast and armpit ultrasound should be done.

Hope this will help. Feel free to ask further questions.
Regards.
Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
doctor
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Follow up: Dr. Grzegorz Stanko (8 minutes later)
It's actually on the breast but under the armpit. It is small, rounded, hard and painless. So what exactly might it be ? Thanks again
doctor
Answered by Dr. Grzegorz Stanko (1 minute later)
Brief Answer:
Breast lymph node.

Detailed Answer:
If its on the breast, close to armpit this can be a breast lymph node. There are few levels of breast lymph nodes. Closest is exactly where you have described it. Small, hard and rounded, painless lump seems to be a lymph node for sure. Please have an ultrasound done.
Note: For further inquiries on surgery procedure and its risks or complications book an appointment now

Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
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Answered by
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Dr. Grzegorz Stanko

General Surgeon

Practicing since :2008

Answered : 5795 Questions

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What Causes A Lump Under The Armpit?

Brief Answer: Armpit and breast ultrasound should be done. Detailed Answer: Hello! Thank you for the query. Can you please attach a photo of it? Lump under the armpit can be enlarged lymph node or some benign skin lesion including hair follicle infection. Enlarged lymph node is the fist thing which should be ruled out. Lymph node is usually rounded, hard, painless. Can be movable or not. Hair follicle inflammation is more possible if you have been shaving recently in this area. Pain, swelling, redness are typical for such issue. Pain can radiate to the arm. If there is no pain, lymph node is the most probable reason. Please note that lymph node can be associated with breast lump. Please try to carefully palpate your left breast and see if there is no lump there. You should consult your doctor for sure. Breast and armpit ultrasound should be done. Hope this will help. Feel free to ask further questions. Regards.