Nipple after Gynecomastia Surgery, what are white dots around nipple? (photos)

I had Gynecomastia surgery (on both sides) 4 years ago to remove gyno developed during puberty. Now that my surgery has healed, my nipple has some strange tiny "white" dots around it (it has been 4 years and has not gone away). I'm not sure what this is and I have attached a picture showing it (my good side and bad). It is really annoying as when my nipple are hard, I find it to look ugly almost as though I have a giant pimple in place of a nipple. Any help on what this is? Can it be fixed?