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Abstract #1429

The Origins of Bright Blood MPRAGE at 7 Tesla and a Simultaneous Method for T1 Imaging and Non-Contrast MRA

John W. Grinstead1, William Rooney2, Gerhard Laub

1Siemens Healthcare, Portland, OR, United States; 2Oregon Health and Science University

MPRAGE is a widely used pulse sequence for T1-weighted anatomical imaging. It has been reported that blood appears extremely bright in MPRAGE at 7 Tesla, and provides excellent vascular information. However, the mechanism for this has not been completely explained. The present work explains the primary source of bright blood MPRAGE at 7 Tesla, and based on this understanding proposes a new technique providing simultaneous high-resolution T1 MPRAGE imaging and non-contrast angiography with excellent background suppression.