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Abstract #0089

Sliding-Slab 3D TSE Imaging with A Spiral-In/Out Readout

Zhiqiang Li 1 , Dinghui Wang 1 , Ryan K Robison 1 , Nicholas R Zwart 1 , Michael Schr 1,2 , and James G Pipe 1

1 Neuroimaging Research, Barrow Neurological Institute, Phoenix, AZ, United States, 2 Philips Healthcare, Cleveland, OH, United States

Multi-slab 3D TSE imaging has better scan efficiency than its single-slab counterpart but suffers ringing and venetian blind artifacts. Meanwhile, spiral acquisition has high SNR efficiency and has been incorporated into 3D TSE imaging, but mostly using a spiral-out only trajectory. In this work we propose a 3D TSE technique, using a spiral-in/out trajectory to provide higher SNR efficiency, using sliding-slab to minimize the venetian blind artifacts, and using non-uniform slice phase encoding to reduce the ringing artifacts. The preliminary results demonstrate that the image quality is comparable to 2D Cartesian results.

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