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Optimized navigator-based correction of breathing-induced B0 field fluctuations in multi-echo gradient-echo imaging of the spinal cord

2024-12-05 radiology and imaging Title + abstract only
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PurposeMulti-echo gradient-echo (ME-GRE) imaging in the spinal cord is susceptible to breathing-induced B0 field fluctuations due to the proximity of the lungs, leading to ghosting artifacts. A navigator readout can be used to monitor the fluctuations; however, standard navigator processing often fails in the spinal cord. Here, we introduce navigator processing tailored specifically for spinal cord imaging. MethodsME-GRE data covering all spinal cord regions were acquired in six healthy volunte...

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