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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What does a white bump on an old scar indicate?

Hi, I have an old scar on the top of my forehead. A white bump has formed on it over time. It does not hurt or itch. It I just annoying to have as it looks like a large whitehead and I am embarrassed of it. I know it is not an actual pimple as I have had it for several years. I was wondering what the best solution to get rid of it would be or what it is exactly..
Tue, 13 Jan 2015
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Dermatologist 's  Response
Hello. Thank you for writing to us at healthcaremagic

The white bump that you notice is most likely a secondary milium.
They are actually small cysts and are formed mostly due to occlusion/clogging of the ducts of the sweat glands secondary to injury and fibrous tissue of a scar.
They can be of some cosmetic concern and are otherwise of no significance.
Treatment is extraction of the clogged contents by de-roofing the cyst with a small needle. This is curative.
I suggest you to visit a dermatologist for the needful.

Regards
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What does a white bump on an old scar indicate?

Hello. Thank you for writing to us at healthcaremagic The white bump that you notice is most likely a secondary milium. They are actually small cysts and are formed mostly due to occlusion/clogging of the ducts of the sweat glands secondary to injury and fibrous tissue of a scar. They can be of some cosmetic concern and are otherwise of no significance. Treatment is extraction of the clogged contents by de-roofing the cyst with a small needle. This is curative. I suggest you to visit a dermatologist for the needful. Regards