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Abstract #5134

Reducing aliasing-induced artifacts in BLADE sequence using extended-FOV reconstruction

Kun Zhou1, Nan Xiao1, and Li Yang1
1Siemens Shenzhen Magnetic Resonance Ltd., Shenzhen, China

Synopsis

Keywords: Artifacts, Artifacts, BLADE

Motivation: BLADE (PROPELLER) is robust to motion but more prone to aliasing-induced artifacts.

Goal(s): To minimize aliasing-induced artifacts in BLADE(PROPELLER) sequence.

Approach: Utilizing GRAPPA method to extend FOV for each blade in reconstruction. Pre-scan data is used to calibrate the GRAPPA kernels for each blade.

Results: Proposed method can effectively eliminate aliasing-induced artifacts.

Impact: The extended-FOV method can be integrated seamlessly into the existing scanning process without requiring additional scan time, to effectively eliminate aliasing-induced artifacts.

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Keywords