Abstract
Could Congenital Ocular Motor Apraxia be Caused by a Celebeller Vermis Dysfunction?
Highlights
Congenital ocular motor apraxia (COMA) is thought to be caused by a dysfunction located somewhere between the frontal eye field and the paramedian pontine reticular formation (PPRF) [1,2]
Joubert syndrome is a syndrome which is characterized by COMA, pigmentary retinopathy, global developmental delay and molar tooth sign upon magnetic resonance imaging [1,2,3,4,5,6]
All cases demonstrated head thrust movement. We describe these clinical characteristics and discuss the hypothesis that congenital ocular motor apraxia was caused by a dysfunction of the celebeller vermis
Summary
Congenital ocular motor apraxia (COMA) is thought to be caused by a dysfunction of the frontal eye field. Joubert syndrome is a syndrome which is characterized by COMA, pigmentary retinopathy, global developmental delay and hypolasia of the cerebeller vermis (molar tooth sign) upon magnetic resonance imaging. We observed seven cases of COMA, Joubert syndrome, and ependymoma which compressed the cerebeller vermis. We will describe these clinical characteristics and discuss the hypothesis that congenital ocular motor apraxia was caused by a dysfunction of celebeller vermis
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