Ankylosing spondylitis (Marie-Strumpell disease, Bechterew's disease)
. Ankylosing spondylitis (AS) is a chronic inflammatory disease of the spine and sacroiliac joints. It may be associated with a number of extra-articular structures, such as the eye, gastrointestinal (GI) tract, skin, lungs, kidneys, and heart. AS usually begins in the second or third decade with a male-to-female prevalence between 2:1 to 3:1. AS…
