Weber syndrome

Also known as: Superior alternating hemiplegia

Midbrain infarct with ipsilateral oculomotor palsy and contralateral hemiparesis.

Medical specialty: Neurology
Subspecialty: Neurology / Brainstem syndromes
Sex & age distribution: Male: affected; Female: affected; Children: rare
Gene(s) involved: None recorded

Etiology & mechanism

Occlusion of paramedian branches of the posterior cerebral artery.

Gene(s) involved (0)

No gene recorded.

Symptoms & signs (5)

contralateral hemiparesisdilated pupildiplopiaipsilateral third nerve palsyptosis

SyndromeScope — educational reference. Content is model-generated and not clinically verified; always confirm against OMIM, Orphanet and GeneReviews before clinical use.