Keywords: Stroke, Arterial spin labelling, Arterial transit artifacts, transient ischemic attack, strokeHigh-resolution magnetic resonance imaging (HRMRI) can be used to characterize the differences in plaque characteristics between transient ischemic attack (TIA) and stroke populations, but it is a time consuming and complicated method.. In this study, we compared the diagnostic performance of HRMRI and arterial spin labeling (ASL) with two post labeling delay times (PLD) combined with clinical risk factors to distinguish TIA and stroke in intracranial stenosis. The results showed that there was no statistical difference between the two methods. In addition, combined model has a good diagnostic performance in predicting stroke occurrence in TIA patients.
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