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Abstract #4812

Quantitative multiparametric UTE-MRI sequences for early cartilage degeneration corresponding to biochemical components——an in vivo study

Xiaolian Su1, Lidi Wan1, Yitong Wang1, Jieying Chen1, Qingqing Wen2, Pu-Yeh Wu2, and Guangyu Tang1
1Radiology, Shanghai Tenth People’s Hospital, School of Medicine, Tongji University, Shanghai, China, 2MR Research,GE Healthcare, Beijing, China

Synopsis

Keywords: Cartilage, Cartilage

Motivation: The detection of early cartilage degeneration by UTE-MRI has been demonstrated in many in vitro experiments but lacks validation in in vivo studies.

Goal(s): To explore the feasibility of UTE-MRI quantitative imaging in the diagnosis of early cartilage degeneration in vivo, compare the diagnostic efficacy of various sequences and explore their corresponding pathological and biochemical basis.

Approach: Volunteers were recruited preoperatively to perform MRI for comparison with postoperative pathology.

Results: UTE-MRI values have shown greater in vivo diagnostic value for early cartilage degeneration compared to conventional T2 and T1ρ values, and mainly reflect different aspects of cartilage degeneration.

Impact: Validating the clinical utility of UTE-MRI in vivo for diagnosing early cartilage degeneration contributes to the early detection and intervention of articular cartilage degeneration in osteoarthritis patients.

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