I have a lot of small itchy bumps on my back, and a few on my sholders. All seem to be raised a little and several are a little pink. Some are in groups and some are by themselves. They itch a great deal, but do not look like pre-cancer sores like I have seen on the internet. The itch most of the day, sometimes more than others. I do have vitiligo and had it for about 15 years. I have tired Benadryl and Amlactin... some seem to have possibly gotten smaller, but they have not gone away. I got them soon after I had my prostate removed... but now this has gone on for more than 6 weeks... concerned!