Ankylosing spondylitis (AS) is a systemic rheumatic disease, meaning it affects the entire body. Approximately 90% of people with AS express the HLA-B27 genotype. Back to top Scenario: Confirmed ankylosing spondylitis. Age from 16 years onwards. Back to top Assessment How should I assess a person with confirmed ankylosing. Ankylosing spondylitis — Comprehensive overview covers symptoms, causes, treatment and complications of this inflammatory arthritis. Ankylosing spondylitis (AS) is a long-term (chronic) condition in which the spine and other areas of the body become inflamed. Ankylosing spondylitis is a form of chronic, progressive arthritis primarily affecting the lower spine. On this page, you will find information on how ankylosing. Ankylosing spondylitis (AS), a spondyloarthropathy, is a chronic, multisystem inflammatory disorder involving primarily the sacroiliac (SI) joints and the. Ankylosing Spondylitis. September 2015. Questions and Answers about Ankylosing Spondylitis. This publication contains general information about ankylosing spondylitis. Spondylitis is an inflammation of the vertebra. It is a form of spondylopathy. In many cases spondylitis involves one or more vertebral joints as well, which itself. Ankylosing Spondylitis A Patient's Guide to Ankylosing Spondylitis Introduction. Ankylosing Spondylitis (AS) is a type of progressive arthritis that leads to chronic. Information on ankylosing spondylitis, a type of arthritis affecting the spine.