X-Ray Progression in Spondelitus

We do see vitaligo often associates it our diseases. To me, it's a little bit like shogin syndrom, another auto immune disease where once the damage is done, you're left for the damage. That can be the consequence, chronic inflammation,. automune mediated inflammation. So what about x ray progression? And can you tell that in anclosing spondelitus or spondoathritus?