Originally Posted by Ryle
Let your vet lead you on the x-rays, but generally for a horse you are going to be jumping and that has jumped in the past x-rays are a good idea. Unless there is foot pain, there isn't any need to get an x-ray of a hoof just because a horse had an abcess in the past year.
I agree. I would get the fetlock and hoof looked at (definitely), considering the sensitivity and abscess. Good luck with your new horsey!