We are new to farming, and have had hens for almost a year. The newest to our flock are 16 black sex link hens (almost 5 months old) and some of them have started laying. All seem healthy but one. This girl started out with what looked like an infected ear, with a fairly large hard white lump on it. It drained somewhat when we patted it with warm water and she has been eating and drinking well. We were putting ointment (polysporin) on it. Over the past two weeks it has gotten bigger, and turned dark in color. None of the vets around here will work on chickens, so one i talked to on the phone said it may have turned into a hematoma and will go away. She continues to eat and drink, but today we noticed her feathers on her head were all crusty (possibly dried blood, but her feathers are black, hard to tell) and the lump is much bigger (from 1 marble to a marble and a half) and it is very dark in color. We brought her in the house to isolate her from the others, as we have done for a couple hours a day for two weeks, as we aren't sure if they were bothering her. We have been giving her water with antibiotics in it as well. PLEASE HELP! We don't know what to do! Thank you! I would post a picture of it, but I'm not sure how to do that on here.