Artery of Percheron infarction

Discussion:

Differential diagnoses to consider are;

  • diffuse glioma, however, there is no asymmetry in the T2 hyperintensity,
  • lymphoma - no enhancement noted
  • top of the basilar syndrome - no PCA or SCA involvement
  • hypoxic-ischemic-encephalopathy - basal ganglia are unaffected
  • deep cerebral venous thrombosis - often accompanied by hemorrhage, which is absent here
  • Wernicke's encephalopathy - mammillary, hypothalamic and PAG involvement is not seen
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