I have a spot on my head, and i'm wondering if I should go to the Dr.?

Okay, i know what your thinking, it's a no brainer, with the amount of different kinds of cancer out there of course I should go to the doctor.But here is the thing. I think it's a wart.. It has the characteristics of a wart. I have tried freezing it at home with minimal results.. Some advice please.
Answer:
my brother had a mole on the top of his head that had to be removed because it was precancerous. get it checked out just in case. better safe than sorry.

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