I have not had that diagnosis. I have read that many people have more than one disease process going on. If one diagnosis isn’t worrisome enough!
I was diagnosed with I was diagnosed in 2016 with mixed connective tissue. That's when I started at a rheumatologist. It took the third and my current rheumatologist to add Seronegative RA and sjogrens.
I had that diagnosis for years and then as more symptoms occurred I was given the diagnosis of RA.