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Case series demonstrates abnormal cerebral hyperperfusion in migraine during headache episodes, indicating a connection with aura symptoms.
We present a case series demonstrating abnormal regional cerebral hyperperfusion associated with migraine headache using arterial spin-labeling (ASL). In 3 of 11 patients, regional cortical hyperperfusion was demonstrated during a headache episode that corresponded to previous aura symptoms.
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Pollock et al. (2008) studied this question.
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