Three-dimensional ultrashort echo time MRI to evaluate sacroiliac joint in patients with ankylosing spondylitis
Cui Ren1, Qing Li2, Stefan Sommer3,4,5, Qiao Zhu1, and Hui Shu Yuan1
1Radiology, Peking University Third Hospital, Beijing, China, 2MR Collaborations, Siemens Healthineers Ltd., Shanghai, China, 3Siemens Healthcare, Zurich, Switzerland, 4Swiss Center for Musculoskeletal Imaging (SCMI), Balgrist Campus, Zurich, Switzerland, 5Advanced Clinical Imaging Technology (ACIT), Siemens Healthcare AG, Lausanne, Switzerland
To assess the diagnostic performance of three-dimensional ultrashort echo time sequence (3D-UTE) in bone erosion detection of the sacroiliac joint (SIJ) in patients with clinically confirmed ankylosing spondylitis (AS) and to test whether SIJ cartilage T2* values might help in identification of patients with AS.
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