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Dr. Andrew Rynne
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Dr. Andrew Rynne

Family Physician

Exp 50 years

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What causes knot in the arm which is growing in size and has a bruise?

My son has a knot that started small on his left upper arm (the under side) the knot has grown in size and now has a large bruise around it. He plays football and has started weight lifting and the knot has become very painful. What could be the cause of the knot?
Thu, 26 Mar 2020
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Orthopaedic Surgeon 's  Response
Hi,

It could be hemangioma, get your MRI done to know exactly the cause of the swelling.

Hope I have answered your question. Let me know if I can assist you further.

Regards,
Dr. Jaideep Gaver, Orthopedic Surgeon
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What causes knot in the arm which is growing in size and has a bruise?

Hi, It could be hemangioma, get your MRI done to know exactly the cause of the swelling. Hope I have answered your question. Let me know if I can assist you further. Regards, Dr. Jaideep Gaver, Orthopedic Surgeon