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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