Hi! I found a pea sized lump on the bottom back of my neck. It is painful to touch. I also have a similar thing below my hair line on back of my head. I called my doc on call and he thinks it is an infected cyst. My kids were sick with a really really yucky cold last week - and my throat and nose are sort of stinging and I feel achy. Could this be a lymph node? My whole neck is sorta achy. Thanks for any help you may have.