Artery of Percheron Infarct
79 year old male with sudden onset of diplopia.
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MR brain FLAIR sequences show ill defined hyperintensity in the mid brain and symmetric hyperintensities in the posteriomedial thalami.
These changes confirm to the territory of artery of Percheron.
Diagnosis: Artery of Percheron infarct.
Artery of Percheron is a rare single common artery supplying the rostral mesencephalon and medial thalami.