i have had a small cyst behind my war for a year or so sometimes it hurts, but two days ago the cyst turned black and it hurts. i dont know if i bumped it or what happened
here is pictures of it its the black spot 
i have had a small cyst behind my war for a year or so sometimes it hurts, but two days ago the cyst turned black and it hurts. i dont know if i bumped it or what happened
here is pictures of it its the black spot