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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Causes A Small Lump On The Upper Arm?

Hi I have developed a very small lump on the outer side of my upper arm. It s not visible. It s hardish and not overly moveable. It s a neat lump and only maybe a quarter size of a small pea. I have no pain at all even when probing it. When I lift my arm my skin puckers in like a little dent. It s been there for about a month and I think it may have got a bit small but not totally sure. Thank you
Mon, 18 Jul 2016
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General & Family Physician 's  Response
Hello
This probably isn't anything too serious

It sounds like a simple benign sebaceous cyst and if it bothers you it can be surgically removed under local anesthesia.

The other possibility is a lipoma--a benign fatty tumor that can also be treated the same way
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What Causes A Small Lump On The Upper Arm?

Hello This probably isn t anything too serious It sounds like a simple benign sebaceous cyst and if it bothers you it can be surgically removed under local anesthesia. The other possibility is a lipoma--a benign fatty tumor that can also be treated the same way