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Research progress of MRI in the evaluation of sacroiliac joint structural lesions in axial spondyloarthritis
YANG Huihe  YU Shun 

Cite this article as: YANG H H, YU S. Research progress of MRI in the evaluation of sacroiliac joint structural lesions in axial spondyloarthritis[J]. Chin J Magn Reson Imaging, 2025, 16(7): 202-208. DOI:10.12015/issn.1674-8034.2025.07.032.


[Abstract] Axial spondyloarthritis (axSpA) has the characteristics of high prevalence, long course of disease and high disability rate. It is easy to involve sacroiliac joints (SIJ), which is manifested as active and structural lesions of SIJ. The 2019 Assessment of Spondylo Arthritis International Society (ASAS) updated the specific magnetic resonance imaging (MRI) findings of axSpA patients on SIJ, emphasizing the principle of equal emphasis on active lesions and structural lesions. According to the ASAS MRI classification criteria, this paper reviews the methods of detecting and evaluating the MRI signs of axSpA structural lesions in recent years, and provides new detection and evaluation ideas for the early diagnosis of SIJ structural lesions in clinical axSpA patients, which is helpful to improve the accuracy of the diagnosis of the disease.
[Keywords] axial spondyloarthritis；sacroiliac joint；magnetic resonance imaging；structural lesions

YANG Huihe1   YU Shun2, 3*  

1 School of Medical Imaging, Fujian Medical University, Fuzhou 350122, China

2 Department of Radiology, Shengli Clinical Medical College of Fujian Medical University, Fujian Provincial Hospital, Fuzhou University Affiliated Provincial Hospital, Fuzhou 350001, China

3 Fujian Provincial Key Laboratory of Medical Big Data Engineering, Fuzhou 350001, China

Corresponding author: YU S, E-mail: 76429310@qq.com

Conflicts of interest   None.

Received  2025-02-19
Accepted  2025-07-07
DOI: 10.12015/issn.1674-8034.2025.07.032
Cite this article as: YANG H H, YU S. Research progress of MRI in the evaluation of sacroiliac joint structural lesions in axial spondyloarthritis[J]. Chin J Magn Reson Imaging, 2025, 16(7): 202-208. DOI:10.12015/issn.1674-8034.2025.07.032.

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