Presentation
Sudden onset of diplopia.
Patient Data
Age: 80 years
Gender: Male
Note: This case has been tagged as "legacy" as it no longer meets image preparation and/or other case publication guidelines.
From the case:
Artery of Percheron infarct
Axial FLAIR

MR brain FLAIR sequences show ill-defined hyperintensity in the midbrain and symmetric hyperintensities in the posteromedial thalami.
Case Discussion
These changes confirm 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.