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Abstract #3339

Motion Correction of T2SE Multi-Pass Acquisitions for Super-Resolution in the Slice Direction

Eric A. Borisch1, Soudabeh Kargar1, Akira Kawashima2, and Stephen J. Riederer1
1Radiology, Mayo Clinic, Rochester, MN, United States, 2Radiology, Mayo Clinic, Phoenix, AZ, United States

A new method for retrospectively correcting subtle transverse slice-to-slice motion in a set of overlapped axial slices is introduced. Such motion can be problematic for high through-plane resolution imaging of the pelvis due to peristalsis of the rectum. The method exploits the known slice-to-slice correlation to determine offsets as well as characteristics of the multi-pass acquisition. When applied to 16 T2-weighted fast spin-echo exams of the prostate the method shows significant improvement in prostate-rectum margin clarity and overall image quality as assessed on sagittal reformats from axial images.

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