Figure 1

Figure 1

Examples for MRI before and after 48 weeks of treatment with etanercept: (a) sacroiliac joints: baseline MRI, sacroiliac joint score 15.5 (A), week 48 MRI, sacroiliac joint score 0 (B); (b) spine, baseline MRI spine score 11.5 (C), week 48 MRI spine score 1 (D); (c) enthesitis of lateral condyle of femur of right knee (dorsal view), MRI baseline with enthesitis (E), week 48 without enthesitis (F).