Journal
MAGNETIC RESONANCE IN MEDICINE
Volume 65, Issue 1, Pages 71-82Publisher
WILEY-BLACKWELL
DOI: 10.1002/mrm.22523
Keywords
MRI of arthroplasty; metal implants; image artifacts, 3D imaging
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The recently developed multi-acquisition with variable resonance image combination (MAVRIC) and slice-encoding metal artifact correction (SEMAC) 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 MAVRIC and SEMAC concepts are connected and discussed. The development of a hybrid technique that utilizes strengths of both methods is then introduced. The presented technique is shown capable of producing minimal artifact, high-resolution images near total joint replacements in a clinical setting. Magn Reson Med 65:71-82, 2011. (c) 2010 Wiley-Liss, Inc.
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