Abstract:Introduction: Arterial Spin Labeling (ASL) is an MRI technique used to non-invasively assess cerebral blood flow in clinical practice. In migraine aura, previous studies have shown both cortical hypoperfusion and hyperperfusion patterns. Sequential perfusion changes with alternation of hypoperfusion and hyperperfusion has been scarcely reported, only in children. Our goal was to determine the delay of conversion between hypoperfusion and hyperperfusion at acute phase, using ASL technique, in adult patients pre… Show more
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