Ankylosing spondylitis

Ankylosing spondylitis is a chronic inflammatory disease belonging to the rheumatic and immunological diseases. The main affected areas are the sacroiliac joints, spine, and peripheral joints, accompanied by varying degrees of extra-articular manifestations such as eye, lung, intestinal, and cardiovascular lesions. Young adults are susceptible to ankylosing spondylitis, with onset typically occurring between 20 and 30 years of age.