HLA B27 is maximally associated with?: (A) Rheumatoid arthritis, (B) Ankylosing spondylitis, (C) Rieter syndrome, (D) Psoriasis
Answer is B. Clinical Associations with HLA B27DisorderHLA-B27 (%)Ankylosing spondylitis90Reactive arthritis (Reither's syndrome )40-80Juvenile SpA70Inflammatory bowel disease35-75Psoriatic arthritisWith spondylitisWith peripheral arthritis 5015Undifferentiated SpA70Acute anterior uveitis50Aortic insufficiency, heart block80