By Abhijeet Danve, MD, as told to Hallie Levine

I have studied and treated ankylosing spondylitis (AS) for almost 10 years. It’s a form of axial spondyloarthritis (axSpA). That’s a type of inflammatory arthritis that primarily affects the spine and the sacroiliac (SI) joints that connect the lower spine to the pelvis. In its early stages, it’s called non-radiographic axSpA because its damage doesn’t usually show up yet on an X-ray. But in its late stage, when it does become apparent, it’s known as ankylosing spondylitis (AS).

Unfortunately, many people with AS go undiagnosed for 8-11 years. Up to 5% of patients…


By prebo

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