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Abstract #4067

Diffusion Imaging of Supraspinatus Tendon Using a UTE-Based DW-SSFP Sequence

Kwan-Jin Jung1
1Biomedical Imaging Center, Beckman Institute, University of Illinois Urbana-Champaign, Urbana, IL, United States

Synopsis

Keywords: Diffusion Acquisition, Diffusion Acquisition, Tendon, DW-SSFP

Motivation: The DW-SSFP sequence was confirmed to be sensitive for tissues of short T2 using ex vivo specimens last year. I want to evaluate its performance for supraspinatus tendons of human subjects.

Goal(s): Obtain a superior sensitivity of the DW-SSFP than the 2-D EPI diffusion sequence for fractional anisotropy of the supraspinatus tendon within a comparable scan time.

Approach: An EPI diffusion sequence with a shortest echo time was compared with the DW-SSFP sequence of TR=10 ms at 3T.

Results: The factional anisotropy along the supraspinatus tendon was detected with a higher sensitivity with the DW-SSFP sequence than the EPI sequence.

Impact: The muscular tendon of short T2 can be studied using diffusion imaging with a detectible sensitivity for the 3-D volume in 5 min. The DW-SSFP sequence can replace the conventional 2-D EPI diffusion imaging sequence in muscular tendon diffusion imaging.

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Keywords