Isolated cerebellar vermis agenesis

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Isolated cerebellar vermis agenesis

A rare congenital cerebellar malformation disorder characterized by complete or partial cerebellar vermis agenesis with no other associated malformations or anomalies. Patients may be asymptomatic although psychomotor delay hypotonia and incoordination are usually associated. Additional variable manifestations include intellectual disability oculomotor abnormalities (such as nystagmus impaired smooth pursuit impaired saccades strabismus ptosis and oculomotor apraxia) retinopathy abnormal visual evoked potentials ataxia episodic hyperpnea and delayed gait acquisition as well as delayed speech and language development.

Data from Orphanet are used to provide information on a disease's name, synonym(s), and overview.

Reference: Access aggregated data from Orphanet at Orphadata.

Orphadata: Free access data from Orphanet. © INSERM 1999. Available on http: // Data version October 2023.

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