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Abstract #3251

MAVRIC SL can reduce inter-rater variability of the measurements for the cervical spine segment height in ACDF patients on 3T MRI

Renjie Yang1, Changsheng Liu1, Weiyin Vivian Liu2, Liang Li1, and Yunfei Zha1
1Renmin Hospital of Wuhan University, Wuhan, China, 2GE Healthcare, Beijing, China

Synopsis

Keywords: Artifacts, SurgerySubsidence assessment is an important indicator for postoperative follow-ups for ACDF patients and normally performed on radiographs. It is still challenging to image ACDF patients using conventional MRI for the measure of segment height is influenced by the metal artifacts. In this study, MAVRIC SL showed better inter-rater agreement on measurements of segment height compared to FSE T1WI. 20 cases on MAVRIC SL and 6 cases on FSE T1W1 among 22 patients showed the measurements of segment height was less than the maximum allowed difference (2mm). This study demonstrated that MAVRIC SL has a strong potential in the subsidence assessment.

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Keywords