Hi, my husband has a lump behind his ear....he has had it for many years now. For awhile it got pretty big, then we popped it. Boy, it was very nasty and smelly. We let it go and make it stay awhile. But everytime we do do something with it, it is still the same affect. Well now he has a problem with his jaw and not being able to open it real wide. Maybe this all is link together, but we do not know.