Abstract: A computer-implemented method includes: generating a set of simulated diffusion signals based on a corresponding set of diffusion sampling parameters and a corresponding set of micro structural model parameters, wherein the diffusion sample parameters correspond to magnetic resonance (MR) parameters, and wherein the microstructural model parameters characterizing a microscopic diffusion with a spatial orientation; processing the set of simulated diffusion signals based on the corresponding set of diffusion sampling parameters to generate a first set of output metrics, wherein the first set of output metrics are associated with the spatial orientation; consolidating multiple sets of output metrics into a dictionary, wherein each set of the multiple sets of output metrics are generated by processing a corresponding set of simulated diffusion signals and associated with a corresponding spatial orientation; applying the dictionary to a set of acquired diffusion MR signals; and generating at least one macroscopic

Abstract: Some implementations provide a method for imaging one or more peripheral nerves in a region of a subject, which method includes: introducing a dose of an iron-based agent into the subject, wherein the dose causes a reduction of a T2 relaxation time of the subject's blood; and acquiring, from a magnetic resonance imaging (MRI) scanner, one or more fluid-sensitive MRI images of the region of the subject that has received the dose. The magnetic resonance (MR) signals from the subjects blood in the region is substantially reduced in response to the dose of the iron-based agent.

Abstract: A magnetic resonance (MR) coil assembly includes a first row of coil elements, wherein the first row is a curved row and configured to conform to a first body curvature in a cone shape when the first row is bent and wrapped around the first body curvature; and a second row of coil elements, wherein the second row is a straight row and configured to conform to a second body curvature in a cylinder shape when the second row is bent and wrapped around the second body curvature, wherein each coil element in the first row has a first area and each coil element in the second row has a second area, and wherein the first area is larger than the second area. The first curved row can also be deployed without a second curved row.