Abstract #4505
Large Slice FOV Non-Contrast MR Angiography with Variable Slice Resolution 3D Time-of-Flight
Yutaka Nattsuaki 1 , Xiaoming Bi 1 , Aurelien F Stalder 2 , and Gerhard Laub 1
1
Siemens Healthcare, Los Angeles, CA, United
States,
2
Siemens
Healthcare, Erlangen, Germany
Robust but slow 3D Time-of-flight (TOF) MR angiography
has its practical limitation in slice FOV coverage.
Recent advancements in MRI acceleration with TOF
sequences (e.g. TOF with sparse undersampling) can
resolve this practical limitation, and large slice FOV
coverage TOF may be realized. Not only for the larger
coverage, extra time savings can be reinvested in slice
resolution for better delineation of small arteries. The
current work introduces the variable slice resolution
TOF, a novel concept that adjusts slice resolutions
according to anatomical needs for the optimal large FOV
TOF within clinically acceptable scan time (<10 min.).
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