Abstract #0387

An Optimized 3D Stack-of-Stars TSE Pulse Sequence for Simultaneous T2-weighted Imaging and T2 Mapping

Mahesh Bharath Keerthivasan^1,2, Kevin Johnson³, Manojkumar Saranathan², Craig Weinkauf⁴, Diego Martin², Ali Bilgin^1,5, and Maria Altbach²

¹Electrical and Computer Engineering, University of Arizona, Tucson, AZ, United States, ²Medical Imaging, University of Arizona, Tucson, AZ, United States, ³Siemens Healthcare, Tucson, AZ, United States, ⁴Department of Surgery, University of Arizona, Tucson, AZ, United States, ⁵Biomedical Engineering, University of Arizona, Tucson, AZ, United States

A 3D stack-of-stars Turbo Spin Echo sequence is presented for efficient T2-weighted imaging and T2 mapping. The pulse sequence parameters are optimized for T2 estimation, SNR, and SAR and the view ordering is designed to enable efficient k-space coverage for both non-selective and slab selective acquisitions. The technique provides excellent anatomical coverage within clinically acceptable times. Utility of the sequence is demonstrated in vivo on the knee, brain and for carotid vessel wall imaging.

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