Journal
AMERICAN JOURNAL OF NEURORADIOLOGY
Volume 30, Issue 5, Pages 968-971Publisher
AMER SOC NEURORADIOLOGY
DOI: 10.3174/ajnr.A1454
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Arterial spin-labeling (ASL) is a relatively new and noninvasive MR imaging technique, used to measure cerebral blood flow (CBF). Scanning time and reproducibility remain important issues in the clinical applicability of ASL. We expected both to benefit from higher field strengths. We describe that when performing ASL at 3T, 20 averages suffice to obtain steady and reproducible CBF values. Scanning time can be as short as 3 minutes.
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