I have a small marble sized lump to the left of the center of the back of my neck right below my hair line. Its on the left side, and when i push on it, i feel a sharp pain on the top right side of my head. I noticed it about a week ago. what could it be??
Hi! This is a common complaint in our general OLD, and we come to a conclusive diagnosis only after a needle biopsy! Anyways, we find different possibilities as follows