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Cephalalgia. 2005 Jan;25(1):56-9.

Persistent aura without infarction: decription of the first case studied with both brain SPECT and perfusion MRI.

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Department of Clinical Medicine and Neurology, Headache Centre, University of Trieste, Trieste, Italy.


To the best of our knowledge, persistent visual symptoms, lasting months or years without evidence of infarction, a rare complication of migraine with aura, has been reported in only 20 patients. We report the case of a 43-year-old woman with a 31-year history of migraine with typical visual aura. At presentation, she experienced a visual aura in her right hemifield followed by a pulsating headache. The visual symptoms persisted. There were no abnormal findings on neurological and ophthalmological examinations, EEG, visual evoked potentials (VEPs), brain computed tomography and magnetic resonance imaging (MRI). Both brain single photon emission computed tomography (SPECT) and brain perfusion MRI revealed decreased left fronto-parieto-occipital and right occipital blood perfusion. A perfusion MRI, performed 7 months after symptom onset and almost complete extinction of symptoms, was normal. As previously reported, we demonstrated a cortical hypoperfusion by SPECT in a case of persistent visual aura. For the first time this finding was confirmed by perfusion MRI.

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