Hi there, Red.
Pictures would definitely help so if you can upload them, that would be great. But until then . . .
Here is what I would do:
Isolate the chicks from eachother. Watch to see which ones are pecking, and separate them from the ones that have wounds. If the ones that have wounds are pecking eachother, try find a way to separate them from eachother, too. I am assuming that the reason they have "cysts" is that their wounds have gotten infected. Try to clean the wounds with some warm water with a couple drops of dish soap (not DISHWASHING detergent) added to it. Then you can put some neosporin (but not the kind with pain reliever) on the wound. If you can find a way to cover the wound so that it can be protected a little bit, that's fine, but that part is optional.
I hope that helps, keep us updated!