Benign paroxysmal tonic upgaze of childhood with ataxia
Synonyms: Ouvrier-Billson syndrome
Benign paroxysmal tonic upgaze of childhood with ataxia is a rare paroxysmal movement disorder characterized by episodes of sustained conjugate upward deviation of the eyes and down beating saccades in attempted downgaze (with preserved horizontal eye movements) which is accompanied by ataxic symptomatology (unsteady gait lack of balance and movement coordination disturbances) in an otherwise healthy individual. Bilateral vertical nystagmus is associated. Symptoms generally disappear spontaneously within 1-2 years after onset.
Data from Orphanet are used to provide information on a disease's name, synonym(s), and overview.
Orphadata: Free access data from Orphanet. © INSERM 1999. Available on http: //www.orphadata.org. Data version October 2023.
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