Figure 1

(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).
(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).