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Abstract #4615

Feasibility of synthetic PD-weighted images on degenerative OA in comparison to structural ZTE-MRI

Huizheng Wang1, Weiyin Vivian Liu2, Xingyao Yu3, Wen Chen4, Ling Sang4, and Kejun Wang4
1Department of Radiology, Taihe Hospital, Jinzhou Medical University Union Training Base, Shiyan,Hubei, China, 2GE Healthcare, Beijing, China, 3Biomedical Engneering College,Hubei University of Medicine, Shiyan,Hubei, China, 4Department of Radiology, Taihe Hospital, Hubei University of Medicine, Shiyan,Hubei, China


Image follow-up for intervention effectiveness of osteoarthritis is necessary to avoid or slow down the development of joint space stenosis, bone sclerosis and osteophyte formation. Compared to ZTE-MRI with the feature of nominal zero echo time, MAGIC, synthetic MRI, offers not only anatomical structure images but also T1, T2, and PD maps. We found a significant correlation between joint space value and meniscus volume in reflection of antagonism effect of joint space and surrounding tissues. Proton density weighted synthetic MR images (PD-MAGIC) offered as good as ZTE-MR structure images and might supplement quantitative information clinically to improve follow-up diagnostic performance.

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