system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
All of the following are true about Dandy Walker malformation EXCEPT?
assistant
The correct answer is  Dandy Walker malformation: It is d/t failure of opening of foramen of Magendie Results in balooning of posterior wall of 4th ventricle to form a cyst in posterior fossa. Associated with other cerebral & cerebellar anomalies . - Clinical features : Delayed development, spasticity and cerebellar ataxia.