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Optimization of Radial K-space Sampling Techniques for a Comprehensive Motion-free Cervical Spine MRI Protocol

Brian Johnson¹, Jonathan Chia¹, Dave Hitt¹, Rob Lay¹, Tom Lowe¹, Michael Pawlak¹, John Penatzer¹, James Snicer¹, Marcie Stopchinski¹, Gregory Thomas¹, Kristen Williams¹, and Paul Worthington¹
¹Philips Healthcare, Gainesville, FL, United States

Here we present an optimized radial k-space sampling protocol of the cervical spine. Use of radial k-space filling techniques helps reduces motion artifacts and leads to a more comprehensive scanning strategy to provide consistent and high image quality.

Figure 3: Examples of 2D cartesian cervical spine image contrasts outlined in the ACR guidelines (A) sagittal T1-weighted (B) sagittal T2-weighted (C) sagittal proton density (D) sagittal STIR and (E) axial T2-weighted compared to radial acquisitions for (F) sagittal T1-weighted (G) sagittal T2-weighted (H) sagittal STIR (I) Axial T2-weighted, and axial (J) T2-weighted images.