Abstract #0856

In Vivo Susceptibility-based Positive Contrast Imaging of MR Compatible Metallic Devices Based on Modified Slab-Selective 3D SPACE Sequence

Caiyun Shi^1,2, Dong Liang^1,2,3, Zhilang Qiu¹, Xin Liu^1,2, Yanjie Zhu^1,2, and Haifeng Wang^1,2

¹Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China, ²Shenzhen College of Advanced Technology, University of Chinese Academy of Sciences, Shenzhen, China, ³Research Centre for Medical AI, Shenzhen Institutes of Advanced Technology, Chinese Academy of Science, Shenzhen, China

Susceptibility-based positive contrast MR imaging exhibits excellent efficacy for visualizing the MR compatible metallic devices, by taking advantage of their high magnetic susceptibility. In this work, a novel method is developed to realize the 3D susceptibility-based positive contrast MR imaging on in vivo experiments of one human patient with one tumour of the scapula. The method is based on a modified 3D SPACE sequence and a PDF background field removal to achieve positive contrast imaging.

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