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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