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Abstract #4688

Combining 2d RF excitation with multishot acquisition for reduced distortion imaging of the female pelvis.

Arnaud Guidon1, Valentina Taviani2, Holly Blahnik3, Ann Shimakawa2, Maggie M Fung4, Nan-Kuei Chen5, and Ersin Bayram6

1Global MR Applications and Workflow, GE Healthcare, Boston, MA, United States, 2Global MR Applications and Workflow, GE Healthcare, Menlo Park, CA, United States, 3Clinical Development, GE Healthcare, Waukesha, WI, United States, 4Global MR Applications and Workflow, GE Healthcare, New York, NY, United States, 5Radiology Medical Research Lab, University of Arizona, Tucson, AZ, United States, 6Global MR Applications and Workflow, GE Healthcare, Houston, TX, United States

The combination of two-dimensional RF excitation with echo planar imaging has shown to be a useful technique for diffusion-weighted imaging of small anatomical features with high-resolution, such as in the pelvis or pancreas. However, compared to standard single shot dw-epi, the trade-off between resolution and matrix size becomes disadvantageous as the field of view increases. We propose to combine 2d RF excitation with multishot echo planar acquisition to enable high-resolution imaging with reduced distortion over larger FOV and present preliminary results obtained in the female pelvis.

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