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Abstract #1284

Improved Venous Suppression in Non-Contrast MRA with the Spiral Turbo Spin Echo Sequence

Samuel Fielden1, John P. Mugler, III1, 2, Patrick Norton2, Christopher Kramer2, 3, Craig Meyer1, 2

1Biomedical Engineering, University of Virginia, Charlottesville, VA, United States; 2Radiology, University of Virginia, Charlottesville, VA, United States; 3Medicine, University of Virginia, Charlottesville, VA, United States

We have previously shown that flow-independent angiography can be performed with TSE-based sequences, as these sequences provide fast T2-weighted volumetric images. In order to achieve better arterial/venous contrast, longer echo spacings can be used to shorten the apparent T2 of venous blood. Here we utilize spiral readouts in a 3D TSE sequence in order to extend echo spacings while maintaining acquisition efficiency in order to produce fast, volumetric, non-subtractive non-contrast peripheral angiograms.

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Keywords

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