Abstract #0462

Efficient T2 Mapping of the Carotid Artery using a 3D Stack-of-Stars Variable Flip Angle TSE Pulse Sequence

Mahesh Bharath Keerthivasan¹, Kevin Johnson¹, Ali Bilgin^1,2,3, Craig Weinkauf⁴, and Maria I Altbach¹

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

We present a radial stack-of-stars TSE pulse sequence with an efficient radial view ordering and optimized refocusing flip angles for 3D T2 mapping of the carotid artery. The technique provides excellent anatomical coverage within clinically acceptable times. The short acquisition time makes the technique less susceptible to motion. Performance of the technique is evaluated using phantoms and in vivo experiments.

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