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Advanced techniques for MRI of atherosclerotic plaque Kerwin WS; Canton GTop Magn Reson Imaging 2009[Aug]; 20 (4): 217-25This review examines the state of the art in vessel wall imaging by magnetic resonance imaging (MRI) with an emphasis on the biomechanical assessment of atherosclerotic plaque. Three areas of advanced techniques are discussed. First, alternative contrast mechanisms, including susceptibility, magnetization transfer, diffusion, and perfusion, are presented as to how they facilitate accurate determination of plaque constituents underlying biomechanics. Second, imaging technologies including hardware and sequences, are reviewed as to how they provide the resolution and signal-to-noise ratio necessary for determining plaque structure. Finally, techniques for combining MRI data into an overall assessment of plaque biomechanical properties, including wall shear stress and internal plaque strain, are presented. The paper closes with a discussion of the extent to which these techniques have been applied to different arteries commonly targeted by vessel wall MRI.|*Imaging, Three-Dimensional[MESH]|Atherosclerosis/*diagnosis[MESH]|Blood Vessels/*pathology[MESH]|Contrast Media[MESH]|Female[MESH]|Forecasting[MESH]|Humans[MESH]|Image Interpretation, Computer-Assisted[MESH]|Magnetic Resonance Imaging/*methods/trends[MESH]|Male[MESH]|Plaque, Atherosclerotic/*diagnosis[MESH]|Severity of Illness Index[MESH] |
