<unk>  (superior alternating hemiplegia) is characterized by the presence of an oculomotor nerve palsy and contralateral hemiparesis or hemiplegia.
It is caused by midbrain infarction as a result of occlusion of the paramedian branches of the basilar artery.
It should not be confused with Sturge-Weber<unk>  or Klippel-Trenaunay-Weber<unk> .
Weber's syndrome
Grisel's syndrome
Mounier-Kuhn syndrome
Kearns–Sayre syndrome
Kearns-Sayer syndrome
Townes-Brocks syndrome
Bristowe's syndrome
Kienbock's disease