Fig. 16
From: Small bowel MR enterography: problem solving in Crohn’s disease
Typical example of response to treatment with a biologic: a axial T1 fat-saturated post-contrast image shows a thickened avidly enhancing segment of midileum with stratified pattern of enhancement (arrows) in keeping with active inflammation; b axial T1 fat-saturated post-contrast image following 8 months of infliximab shows inflammation has been downstaged with reduction in mural thickening and enhancement which is now homogeneous (arrows)