Figure 1From: Baseline new bone formation does not predict bone loss in ankylosing spondylitis as assessed by quantitative computed tomography (QCT) - 10-year follow-up (A) Anteroposterior lumbar radiograph with advanced syndesmophytes and (B) Quantitative Computed Tomography scan of L5 vertebral body showing elliptical region of interest (ROI) containing trabecular bone (48-year-old patient at baseline).Back to article page