Comparison of ASL and PWI perfusion in stroke patients


INTRODUCTION: Arterial Spin Labeling (ASL) uses magnetically labeled water protons as an endogenous tracer. This makes ASL difficult to apply in case of prolonged transit times from the labeling region to the image region, as often seen in stroke patients, because the label vanishes with the T1 of blood. In addition, the low signal-to-noise ratio in ASL… (More)


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