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Diagnosis is normally made on and , but doctors may also use laboratory tests and imaging:
- CRP – may rise with inflammation
- ESR - may rise with inflammation
- FBC – to look for excess white cells which might show infection
- HLA-B27 – In Australia most ankylosing spondylitis patients have this gene
- X-rays or other imaging such as – typical changes seen on X-ray are the ‘bamboo sign’ which is due to new bone growth.
Last Review Date: December 26, 2016