Abstract #1245

Quantitative Susceptibility Mapping of Human Spine: Correlation with Quantitative Computed Tomography and Reproducibility

Yihao Guo¹, Yingjie Mei², Xintao Zhang³, Yanjun Chen³, Xiaodong Zhang³, and Yanqiu Feng¹

¹Guangdong Provincial Key Laboratory of Medical Image Processing,School of Biomedical Engineering, Southern Medical University, Guangzhou, China, ²Philips Healthcare, Guangzhou, China, ³Department of Medical Imaging, The Third Affiliated Hospital, Southern Medical University, Guangzhou, China

This work aim to investigate the correlation between quantitative susceptibility mapping (QSM) and quantitative computed tomography (QCT) values, and the reproducibility of QSM value in human spine. Sixty-one subjects underwent QCT measurement for once and QSM measurement for twice in spine. The results showed that QSM value has strong correlation with QCT value, and has good reproducibility between two scans. These indicated that QSM has the potential to be an effective and stable measurement of BMD in clinical application.

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