Abstract #3088

Three-dimensional ultrashort echo time MRI to evaluate sacroiliac joint in patients with ankylosing spondylitis

Cui Ren¹, Qing Li², Stefan Sommer^3,4,5, 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

Synopsis

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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