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Abstract #2274

Accelerating acquisition of readout-segmented echo planar imaging with a simultaneous multi-slice technique for diagnosing knee lesions

Simin Liu1, Yao Zhang1, Jun Ran1, Wei Liu2, Ting Yin3, and Xiaoming Li1
1Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China, 2Siemens Shenzhen Magnetic Resonance Ltd., Shenzhen, China, 3MR Collaborations, Siemens Healthineers Ltd., Shanghai, China

Synopsis

Keywords: Whole Joint, Joints

Motivation: knee injury is common in clinical practice. DTI enables quantitative assessment of tissue changes in pathological joints, but its clinical application is limited due to prolonged scan time.

Goal(s): This study aims to explore the feasibility of using SMS technique in RESOLVE- DTI in knee joint to reduce acquisition time without compromising image quality.

Approach: There protocols, Conventional RESOLVE-DTI with 12 directions, and SMS-RESOLVE-DTI with 12 and 20 directions, were used to fully assess the image quality and quantitative parameters.

Results: The use of SMS technique greatly reduced the acquisition time without compromise image quality and quantitative evaluation accuracy.

Impact: The SMS technique greatly shortens the acquisition time of RESOLVE-DTI and provides similar image quality, allowing clinical doctors to simultaneously evaluate cartilage and ligaments of the knee joint in one scan. SMS-RESOLVE-DTI has high clinical application potential.

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