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Skin colored bump on knee, painful. What could it be?

Hi I have a small skin colored bump right next to my right knee that has a faded blue spot in the center. I ve had it for six months -a year and havent gotten checked out because I didn t know what it was and was scared to tell my parents ( I m 16). But I looked at it a few days ago and it seemed to have gotten bigger. But it hadnt hurt at all or done anything other then make my worry since id found it.The next day and for three days know my knee where the bump is hurts on and of. Any idea what this could be? Can it be cancerious? I m haveing my physical on the 27th but any idea on how to deal till then?
Asked On : Sun, 17 Mar 2013
Answers:  1 Views:  56
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Dermatologist 's  Response
Thanks for the query,

A skin colored bump with blue spot in centre can be a keratoacanthoma.

It is a mix of hyperproliferative skin and vasular component.

Pain is usually not associated but may be present sometime.

Please meet a dermatologist for exact diagnosis and treatment.

Let me know if you have any other doubt.
you can ask a direct question to me on this forum, following the below link.

Wishing you a good health.
Thank you
Answered: Fri, 5 Jul 2013
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