My 12 year old son has a bump about the size of a 50p piece on the top off his head. I only noticed yesterday as I was putting some hedren lice repellant on his hair. He said that he has had it for two years. It is not really noticeable but wondered if I ambecoming a worrying mum. Want do you think?

I would be worried as well. I would take him to the doc just to be sure and to ease your mind.

Take him to the doc for a proper diagnosis. Is this lump hard or soft? Is it stationary or movable?