My cat, Dexter, has a mysterious hairless growth on his front paw. It is raised up from the skin and the surface is smooth (almost looks like an engorged tick at first glance) but it's flesh-colored and kind of mushy. The vet thought it might be ringworm, but it does not resemble ANY description of ringworm that I have read. Dexter does not favor that area, does not lick it, does not react when I touch it, doesn't seem to be bothered at all by the growth. Any ideas as to what it could be???