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Abstract #3229

A dual-nuclei 1H/23Na knee coil for high-resolution 1H and 23Na MR imaging at 7T

xing yang1, Xin Liu1, feng du1, Nan Li1, Hairong Zheng1, and Ye Li1
1Shenzhen Institutes of Advanced Technology,Chinese Academy of Sciences, Shenzhen, China


An ideal MRI study for early osteoarthritis should provide both structure imaging and functional imaging, which can show early morphologic degenerative changes and physiology changes of the cartilage. Most of previous dual-nuclei coils pushed the limits of non-proton nuclei sensitivity at the expense of 1H performance. To get high performance imaging for both nuclei, a novel dual-nuclei 1H/23Na coil array was developed. The bench test results show that all coils were sufficiently matched and decoupled, and the interference between sodium coils and proton coils was nearly negligible, thus can be expected to get high-resolution 1H imaging and quantitative 23Na imaging.

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