I woke up the other day with a scab, about 1/4 inch in diameter right underneath my left nipple on my breast. I stupidly picked the scab and it bled a little bit, it kind of looked like a hole in my breast (a very small one, but like an injury would look if you picked the scab) like you could see the "meat". I don't know, but it is still reddish purple underneath the skin and has some dry skin over the top of it. I am wondering if this could be skin cancer or breast cancer or what it could be. I only wear cotton sports bras with no wire and I do sleep in them. Could it be a bite of some sort, I don't remember it being pinched. I am going out of my mind and need some help though. Any help would be greatly appreciated.