Related Experiment Video
Updated: Jan 29, 2026

Multiple-mouse Neuroanatomical Magnetic Resonance Imaging
Published on: February 27, 2011
OMERACT Hip Inflammation Magnetic Resonance Imaging Scoring System (HIMRISS) Assessment in Longitudinal Study
Jacob L Jaremko1,2, Robert G W Lambert3,4, Susanne J Pedersen3,4
1From the Department of Radiology and Diagnostic Imaging, University of Alberta; Department of Medicine, University of Alberta, Edmonton, Alberta, Canada; Rigshospitalet-Glostrup, Copenhagen Center for Arthritis Research, Center for Rheumatology and Spine Diseases, Copenhagen; King Christian 10th Hospital for Rheumatic Diseases, Gråsten; Institute of Regional Health Research, University of Southern Denmark, Odense, Denmark; St. Vincent's Hospital, Melbourne, Australia. jjaremko@ualberta.ca.
Objective:
To assess reliability, feasibility, and responsiveness of Hip Inflammation Magnetic resonance imaging Scoring System (HIMRISS) for bone marrow lesions (BML) in hip osteoarthritis (OA).
Methods:
HIMRISS was scored by 8 readers in 360 hips of 90 patients imaged pre/post-hip steroid injection. Pre-scoring, new readers trained online to achieve intraclass correlation coefficient (ICC) > 0.80 versus experts.
Results:
HIMRISS reliability was excellent for BML status (ICC 0.83-0.92). Despite small changes post-injection, reliability of BML change scores was high in femur (0.76-0.81) and moderate in acetabulum (0.42-0.56).
Conclusion:
HIMRISS should be a priority for further assessment of hip BML in OA, and evaluated for use in other arthropathies.
Related Concept Videos
Imaging Studies IV: Magnetic Resonance Imaging
Magnetic Resonance Imaging
Longitudinal Studies
Imaging Studies for Cardiovascular System VI: Calcium -Scoring CT
Longitudinal Research
Atomic Nuclei: Magnetic Resonance

