Subtraction MR venography from time-resolved MR angiography; comparison with phase-contrast MR venography and contrast-enhanced MR venography

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 than PCMRV.

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