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Abstract #4011

Ultrashort echo time imaging at 1.5 T using an insertable unshielded gradient coil and cone trajectories

Ayana Setoi1 and Katsumi Kose1

1University of Tsukuba, Tsukuba, Japan

Ultrashort echo time (UTE) imaging with cone trajectories was installed to a 1.5T compact MRI system using an unshielded insertable gradient coil. K-trajectories of the 3D cone trajectory acquisition were measured using a small capillary phantom and used for image reconstruction. A LEGO block sample with T2* of about 0.6 ms was successfully imaged with echo time of 0.05 ms to 0.6 ms. This result demonstrated that UTE imaging sequences with cone trajectories were successfully installed to our system.

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