When are x-rays useful for runners with Morton’s neuroma?

Let's say you're out on a run and you start getting some aching pain in the ball of the foot. It persists for a while.    It's not really that bad. Your foot is not killing you. But it starts to bother you more and more over the course of a few weeks.    Being proactive, you see a podiatrist. The podiatrist tells you that he thinks you have something called a Morton's neuroma. So he does an x-ray of your foot and what do you see? Well, nothing. Why is that?   When are x-rays useful for a runner with a Morton's neuroma?    Well, that's what we're talking about today on the Doc On The Run Podcast.