Not really ... In the link that follows, scroll down to the subtitle "AXIAL AND PERIPHERAL SPONDYLOARTHRITIS DIAGNOSIS"
https://www.uptodate.com/contents/axial-spondyloarthritis-including-ankylosing-spondylitis-beyond-the-basics/print#:~:text=Ultimately%2C%20the%20diagnosis%20of%20axial,magnetic%20resonance%20imaging%20(MRI).
The problem with PMR and spondyloarthritis is that nothing is a specific finding that can be used to confirm either one. MRI is a useful diagnostic tool. Unfortunately, for our generation MRI wasn't used very often. A diagnosis was usually made based on the "preponderance of the evidence" which is greater than a 50% chance but that isn't definitive.