... assessment and quantification of inflamma-tory spinal changes, the AS-spinal-MRI scoring system [13]has shown good discriminatory capacity, validity, and sensitiv-ity to change in MRI examinations ... imaging of the spine and the sacroiliacjoints in ankylosing spondylitis before and during therapy withetanercept. Ann Rheum Dis 2005, 64:1305-1310.15. Sieper J, Baraliakos X, Listing J, Brandt ... Similarly,using MRI, a significant decrease of inflammatory lesionsalready after 6 weeks of therapy [14] and ongoing improve-ment of spinal inflammation for up to 2 years [15,16] of contin-uous...