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      Q-ball imaging models: comparison between high and low angular resolution diffusion-weighted MRI protocols for investigation of brain white matter integrity.

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          Abstract

          Q-ball imaging (QBI) is one of the typical data models for quantifying white matter (WM) anisotropy in diffusion-weighted MRI (DwMRI) studies. Brain and spinal investigation by high angular resolution DwMRI (high angular resolution imaging (HARDI)) protocols exhibits higher angular resolution in diffusion imaging compared to low angular resolution models, although with longer acquisition times. We aimed to assess the difference between QBI-derived anisotropy values from high and low angular resolution DwMRI protocols and their potential advantages or shortcomings in neuroradiology.

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          Affiliations
          [1 ] MRI Research Center SUN-FISM-Neurological Institute for Diagnosis and Care "Hermitage Capodimonte", Naples, Italy.
          [2 ] Department of Medical, Surgical, Neurological, Metabolic and Aging Sciences, Second University of Naples, Naples, Italy.
          [3 ] Department of Medicine and Surgery, University of Salerno, Via Allende, 84081, Baronissi (Salerno), Italy. faesposito@unisa.it.
          [4 ] Department of Cognitive Neuroscience, Maastricht University, Maastricht, The Netherlands. faesposito@unisa.it.
          Journal
          Neuroradiology
          Neuroradiology
          Springer Nature America, Inc
          1432-1920
          0028-3940
          Feb 2016
          : 58
          : 2
          26573606 10.1007/s00234-015-1616-3 10.1007/s00234-015-1616-3

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