Abstract
Three-dimensional (3D) multispectral magnetic resonance imaging (MRI) techniques can significantly reduce image artifacts commonly encountered near embedded metal hardware. These artifact reductions are enabled by applying alternative spectral and spatial encoding schemes to conventional spin-echo imaging techniques. Here, the multi-acquisition with variable resonance image combination (MAVRIC) and slice-encoding for metal artifact correction (SEMAC) multispectral imaging techniques are connected and discussed. The development of a hybrid technique that utilizes the strengths of both methods is then described. This optimized 3D multispectral imaging approach is shown to be capable of producing minimal-artifact, high-resolution images near total joint replacements in a clinical setting.
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