All of the following are true about Dandy Walker malformation EXCEPT?
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.
It is due to the failure of opening of foramen of Magendie
4th ventricle forms a cyst in the posterior fossa
Cerebellum remains normal
Delayed development and spasticity may be seen.
Hydrocephalus