Abstract #2522
3D coronary dark-blood interleaved with gray-blood (cDIG) MRI
Guoxi Xie 1,2 , Bin Sun 3 , Qingyi Dai 4 , Antonio Hernandez Conte 2 , Xiaoming Bi 5 , Yutaka Natsuaki 5 , Jing An 6 , Reza Arsanjani 2 , Xin Liu 1 , Hairong Zheng 1 , Zhanming Fan 4 , Daniel Berman 2 , Debiao Li 2 , and Zhaoyang Fan 2
1
Shenzhen Key Lab for MRI, Shenzhen
Institutes of Advanced Technology, Chinese Academy of
Sciences, Shenzhen, Guangdong, China,
2
Cedars
Sinai Medical Center, Los Angeles, CA, United States,
3
Union
Hospital, Fujian Medical University, Fujian, China,
4
Radiology
Department, Anzhen Hospital, Beijing, China,
5
Siemens
Healthcare, Los Angeles, CA, United States,
6
MR
Collaborations NE Asia, Siemens Healthcare, Beijing,
China
3D dark-blood MRI techniques have shown great potential
in coronary plaque burden assessment. However,
substantial variability in quantification could result
from superficial calcification that often mimics part of
lumen because of its low signal. Recent work shows that
gray-blood contrast can help separate superficial
calcification from lumen. Thus, the purpose of this work
was to develop a 3D coronary dark-blood interleaved with
gray-blood (cDIG) MRI technique to improve the
visualization and quantification of coronary plaque. In
vivo experiment results demonstrated that dual contrasts
were simultaneously acquired using the proposed method
without compromising dark-blood contrast and scan time.
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