Hi doctor,
I recently have a new situation on my right leg, just under the knee cap area. I am 35-year-old, and for my whole life, I thought I had a mole there. Still not sure if it is an actual mole or not. It is mostly flat, with a normal dark color similar to a mole and in size similar to an average mole as well. At times it is a little dry and a bit scaly, as if you could kind of peel off a little bit of the edges (although not possible, as it will cause normal damage you would expect). Other than this, it had zero issues my whole life. I do not even have any old pictures of it, as it never caught my special attention. Until the past one and a half months or so, the area started to have a little itch. Nothing too crazy, but the itch is something new, and maybe happens one to two times, during every one to two days, for just a brief moment. I give it a quick casual scratch surrounding the mole area without actually scratching directly on the mole to prevent damage. After about a week since the itch started, I finally decided to take a look, and it seems like that mole is gone or came off. Now there is a flat dark mark remaining, and a new scab or crust starting to form around it, and it is getting bigger as time pass. I have never experienced this before. There is no pain or anything other than the same occasional itch that only just recently began. I do not recall anything specific that happened, other than around the same time I started using a new sunscreen. I do not use sunscreen much at all in the past, but I did purchase a new one around a couple of months ago and had just used it only once on that area so far, not sure if it is related or not. I started taking photos of it for one month and began documenting how it is progressing once every few days. I am attaching the pictures for your reference. What is the issue? Kindly give your opinion.