Keywords: Joint, Bone, MR Cortical bone imaging
Motivation: In axial spondyloarthritis, structural and compositional assessments of the sacroiliac joint ( SIJ ) are essential. MRI is valuable but slightly inferior to CT for structural evaluation. MRI-based cortical bone imaging is promising, though optimal applications remain unclear.
Goal(s): To clarify the characteristics of FRACTURE and BoneVIEW sequences and guide their clinical use.
Approach: FRACTURE and BoneVIEW sequences were acquired in patients with back pain and SIJ pain, followed by quantitative and qualitative evaluations.
Results: FRACTURE excelled in structural clarity and clinical readability, while BoneVIEW showed superior bone SNR and cortex-marrow CNR. The depiction of joint spaces had a significant difference between the two sequences.
Impact: Clarifying the differences between FRACTURE and BoneVIEW deepens understanding of each sequence and may lead to improvements that optimize their clinical applications for more accurate and effective sacroiliac joint assessment.
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