October 7, 2019
Is it possible for AS not to show up on x-rays and MRI's?
Lawrence "Rick" Phillips
October 9, 2019
In my experience, the answer is yes. You might look up Nonradiographic AxSpA. This type demonstrates symptoms but does not show up on X-Rays and in some cases MRI's are also negative.
Here is an explanation, but if you look around you will see many more articles on the subject.