Open epiphyseal growth plate mimicking backfill (T1SE sequence). 18-year-old male healthy control. Irregularly shaped increased signal alteration on T1SE sequence (arrows) compatible with fat infiltration of the anterior predominantly iliac joint portion. Insert: The sacral vertebrae are not yet completely fused (arrows). T1SE, T1-weighted spin echo sequence.
Weber et al. Arthritis Research & Therapy 2012 14:R124 doi:10.1186/ar3854