My girlfriend started using a tanning bed at 16 and is now 20, I got her to stop the tanning beds but we haven t been dating long. She has quite a few bigger dark moles all over her torso and I just found a symmetrical spot on the back of her head close to the crown of her head underneath alot of hair. She said that she had some similar on the front of her head on her hairline when she was younger. I have not noticed the spot before but it is a decent size. It has a darker brown ring on the outside and lighter brown on the inside of the spot. It is not raised and when I touch it it just feels like normal skin. It does not bother her or anything. I looked a little more and there is a much smaller spot a bit lower than the bigger one. She is very frightened and we don t know how soon we can get her into the doctor. Should we be fairly worried and try to get her to the doctor asap? What could this be?