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Abstract #4401

Parallel Imaging for Sliding Interleaved Cylinder (SLINCY) Acquisition

Kie Tae Kwon 1 , Bob S Hu 2 , and Dwight G Nishimura 1

1 Electrical Engineering, Stanford University, Stanford, California, United States, 2 Palo Alto Medical Foundation, Palo Alto, California, United States

A sliding interleaved cylinder (SLINCY) acquisition employs a 3D concentric cylinders trajectory as the readout instead of a 3DFT sequence. Due to the helical sampling geometry of the trajectory and the sliding-nature of the acquisition scheme, a dedicated parallel imaging strategy is required for SLINCY to achieve a clinically feasible scan time. In this work, we developed a new parallel imaging strategy for SLINCY, which decomposes the 3D helical structure of SLINCY into a series of 2D Cartesian planes. We demonstrated that the proposed parallel imaging strategy is feasible for SLINCY, which reduced the scan time down to almost 50%.

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