I would look into it my mother had something similar and it turned out that she had a basil cell (sp) cancer, which doesn't really usually cause any problems. But it needs to be removed if that's what it is. You should have it looked at. Good luck.
You need to see an MD , as soon as possible . If you ignore skin cancer it could take your entire face..or more in the end . If treated immediately , it can be cured .The surgery is relatively painless and on an out-patient basis . Good luck .