My 7 month old son has a dime size lump behind his ear, I was thinking maybe it was a swollen gland but not sure if there are glands behind the ear. It is located in right where the bone ends and the spot spot begins. It is very hard and does not seem to cause him any discomfort when I feel it.
We are also currently testing him for Mitochondrial diseases, I asked his neurologist about it and she said it would not be something that she delt with and his pediatrition is blowing me off until his next appointment in 2 weeks. Please let me know if this is something I should be worried about.