Progress in MR Elastography of Human Lung Parenchyma: Evaluation of Regional Density Measurements and Faster Imaging Sequences

Keywords

acquisition activated active agree application appropriate arrow assume board body breath cause challenging chemical clinic comparable connected correction deaths decreased degassed density described develop development disease distinct doped driver earlier effective equation estimation evaluate evaluation even excite expected expiration exponential fast faster feasibility fitting frequency gadolinium goal guidelines health healthy heterogeneous holds human hypothesized implementation implemented improved in vivo increasing indicated indicates initiate insights inspiration institutional interstitial introduced inversion involves larger lobe lobes local lung lungs made magnitude maps mayo measured modifications must noninvasive ongoing optimized organization phantom physical placed play plotted poor possesses preserved pressure pressures pressurized previously primary product progress properties pulmonary pulse quantification quantifying radiology reduced regional reported resolve resolved resolving respiration review role room sample sensitivity shear shots significantly simultaneously since slow soft solid spatially specimen speed stiffness sufficient suggest suspended third though tissue true twice typical typically varies vibrations volume volumetric volunteer volunteers water wave whole word world