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Abstract #4636

Quantitative assessment of bone erosion in patients with rheumatoid arthritis using ZTE-MRI

Xingyao Yu1, Weiyin Vivian Liu2, Chao Liu3, Hu Chen3, Jingyu Jiang1, Qianqian Feng3, and Lin Xu3
1Biomedical Engineering College, Hubei University of Medicine, Shiyan Hubei, China, 2GE Healthcare, Beijing, China, 3Department of Radiology, Taihe Hospital, Hubei University of Medicine, Shiyan Hubei, China


MRI is reckoned as the most sensitive tool for monitoring changes such as synovitis and bone marrow edema at early stage of rheumatoid arthritis (RA)[1, 2]. Our results showed that ZTE-MRI can better precisely detect bone erosion compared with fs PD as well as DR and reflect RA degree via the volume percentage of bone erosion over carpal bone. Overall, ZTE-MRI could be an alternative to routine PDWI in clinic practice to help clinicians make better diagnosis without influenced by bone marrow edema, joint effusion and thickening of the synovial membrane and also offer articular function assessment as radiography.

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