Purpose: To test the PD-T1-T2 qMRI accuracy of ultra-high spatial resolution compressed sense Tri-TSE. Methods: A healthy male volunteer (35yo) was scanned with an ultra-high spatial resolution compressed sensing Tri-TSE pulse sequence. Maps of PD, T1, and T2 were generated with voxel size of 0.4 x 0.4 x 1.2 mm3. Results: PD, T1, and T2 accuracy are not affected by threefold compressed sensing acceleration. Conclusion: Compressed sensing does not appear to negatively impact MS-qMRI accuracy and opens the door to ultrafast brain MS-qMRI at current clinical spatial resolution or to a new high spatial resolution standard in the clinical context.
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