Abstract #2192
An automated post-processing pipeline for the separation of intracranial and extracranial vessels in 7T TOF-MRA
Zihao Zhang 1,2 , Dehe Weng 3 , Jing An 3 , Zhentao Zuo 1 , Bo Wang 1 , Qingle Kong 1 , Ning Wei 1,2 , Yan Zhuo 1 , Xiaohong Joe Zhou 4 , and Rong Xue 1
1
State Key Lab of Brain and Cognitive
Science, Beijing MR Center for Brain Research, Institute
of Biophysics, Chinese Academy of Sciences, Beijing,
Beijing, China,
2
Graduate
School, University of Chinese Academy of Sciences,
Beijing, Beijing, China,
3
Siemens
Shenzhen Magnetic Resonance Ltd., Shenzhen, Guangdong,
China,
4
Dept.
of Radiology, Center for MR Research, University of
Illinois, Chicago, Illinois, United States
An automated post-processing pipeline of TOF-MRA is
proposed to separate intracranial and extracranial
vessels, without the aid of T1w structural images. The
post-processing uses nonlinear registration to produce
ROIs in individual space. The pipeline was verified to
provide clear MIP images of intracranial and
extracranial vessels, respectively, which is useful in
extra-intracranial bypass surgery.
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