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Abstract #4502

3D TOF MR Angiography using Combined Compressed Sensing and Parallel Imaging with Coil Compression

Naoyuki Takei 1 , Kevin F. King 2 , Adriana Kanwischer 2 , and Hiroyuki Kabasawa 1

1 GE Healthcare, Hino, Tokyo, Japan, 2 GE Healthcare, WI, United States

3D TOF MR Angiography is an established clinical routine application. Scan time saving is important for brain routine that is frequently used in MRI scan in the world. Compressed sensing (CS) is a promising technique to accelerate scanning for high imaging contrast that has sparse image. In this work, the combination of CS and parallel imaging (PI) was applied to 3D TOF and demonstrated feasible. Volunteer scan was performed compared with PI only in brain. The CS +PI sequence reduced scan time by 43 % identifying the main and distal arteries. In conclusion, CS provides equivalent image quality with less scanning time than PI only.

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