Question

which of the following pathological findings is not an associated finding with arnold - chiari syndrome?
stenosis of the cerebral aqueduct
enlarged occipital fossa
tonsillar herniation
myelomeningocele

Explanation:

Arnold - Chiari syndrome is characterized by tonsillar herniation, often associated with stenosis of the cerebral aqueduct and frequently accompanied by myelomeningocele. An enlarged occipital fossa is not typically an associated finding.

Answer:

enlarged occipital fossa