Parinaud syndrome

Also known as: Dorsal midbrain syndrome; Sylvian aqueduct syndrome

Vertical gaze palsy with convergence-retraction nystagmus.

Medical specialty: Ophthalmology
Subspecialty: Ophthalmology / Strabismus and neuro-ophthalmology
Sex & age distribution: Male: affected; Female: affected; Children: yes, with pineal tumors and hydrocephalus
Gene(s) involved: None recorded

Etiology & mechanism

Lesion of the dorsal midbrain, often pineal tumor or hydrocephalus.

Gene(s) involved (0)

No gene recorded.

Symptoms & signs (5)

convergence-retraction nystagmuseyelid retractionlight-near dissociationpapilledemaupgaze palsy

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