Ankylosing spondylitis,”Back pain: <40, >3 months, relieved with exercise, pain at night caused by inflammation of ligamentous insertions!!Exam: arthritis (sacroiliitis), dactylitis, enthesitis (tender at tendon insertion), uveitis Complications: osteoporosis, aortic regurg, cauda equina DX: Xray! Tx: NSAIDs
anti-TNF if it gets really bad Associations: HLA-B27″