Arterial spin labeling perfusion imaging at clinical field strengths is generally confined to relatively coarse voxels (~4 mm), preventing the investigation of perfusion variations on small spatial scales and leading to problems with partial volume effects. In this work we demonstrate the ability of a golden angle radial approach combined with a regularized reconstruction technique to produce time-resolved perfusion images with isotropic voxel sizes lower than 2 mm. This was shown to improve grey matter definition and reduce partial volume effects.
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