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A simple technique is implemented for correction of artifacts arising from nonuniform T2‐weighting of k‐space data in fast spin echo–based PROPELLER (periodically rotated overlapping parallel lines with enhanced reconstruction). An additional blade with no phase‐encoding gradients is acquired to generate the scaling factor used for the correction. Results from simulations and phantom experiments,...
Split‐blade diffusion‐weighted periodically rotated overlapping parallel lines with enhanced reconstruction (DW‐PROPELLER) was proposed to address the issues associated with diffusion‐weighted echo planar imaging such as geometric distortion and difficulty in high‐resolution imaging. The major drawbacks with DW‐PROPELLER are its high SAR (especially at 3T) and violation of the Carr‐Purcell‐Meiboom‐Gill...
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