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Abstract #0192

Quantitative Time-of-Flight (qTOF) and Quiescent Interval Slice-Selective (qQISS) Intracranial MR Angiography

Ioannis Koktzoglou1,2, Rong Huang1, Nondas Leloudas1, and Robert R Edelman1,3
1Radiology, NorthShore University HealthSystem, Evanston, IL, United States, 2University of Chicago Pritzker School of Medicine, Chicago, IL, United States, 3Northwestern University Feinberg School of Medicine, Chicago, IL, United States

Time of flight (TOF) and quiescent interval slice selective (QISS) magnetic resonance angiography (MRA) provide accurate anatomic evaluation blood vessels but do not readily quantify blood velocity or flow. Addressing this deficiency, we report two multi-echo stack-of-stars variants of TOF and QISS MRA (which we refer to as “quantitative TOF” (qTOF) and “quantitative QISS” (qQISS) MRA) that provide for simultaneous high-resolution anatomic and hemodynamic evaluation of the intracranial arteries.

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