Fat Metaplasia on Sacroiliac Joint Magnetic Resonance Imaging at Baseline Is Associated with Spinal Radiographic Progression in Patients with Axial Spondyloarthritis

• Kwi Young Kang,

  Affiliations Division of Rheumatology, Department of Internal Medicine, Medical College, The Catholic University of Korea, Seoul, South Korea, Division of Rheumatology, Department of Internal Medicine, Incheon St. Mary's Hospital, The Catholic University of Korea, Incheon, South Korea

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• In Je Kim,

  Affiliation Division of Rheumatology, Department of Internal Medicine, College of Medicine, Ewha Womans University, Seoul, South Korea

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• Min A Yoon,

  Affiliation Department of Radiology, Korea University Guro Hospital, College of Medicine, Korea University, Seoul, South Korea

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• Yeon Sik Hong,

  Affiliations Division of Rheumatology, Department of Internal Medicine, Medical College, The Catholic University of Korea, Seoul, South Korea, Division of Rheumatology, Department of Internal Medicine, Incheon St. Mary's Hospital, The Catholic University of Korea, Incheon, South Korea

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• Sung-Hwan Park,

  Affiliation Division of Rheumatology, Department of Internal Medicine, Medical College, The Catholic University of Korea, Seoul, South Korea

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• Ji Hyeon Ju

  * E-mail: juji@catholic.ac.kr

  Affiliation Division of Rheumatology, Department of Internal Medicine, Medical College, The Catholic University of Korea, Seoul, South Korea

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