Subtraction MR venography from time-resolved MR angiography; comparison with phase-contrast MR venography and contrast-enhanced MR venography
Jinhee Jang 1 , Bum-soo Kim 1 , Bom-yi Kim 1 , Hyun Seok Choi 1 , So-Lyung Jung 1 , and Kook-Jin Ahn 1
Radiology, Seoul St. Mary Hospital, Catholic
University of Korea, Seoul, Korea
Subtraction venography (SubMRV) was obtained from two
volume data of time-resolved MR angiography (TRMRA):
subtraction of arterial phase data from venous phase
data. Image quality of subMRV was acceptable and
comparable with clinically used other MRV. SubMRV
removed arterial contamination successfully.
Visualization of dural sinuses on subMRV were superior
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