Your posterior fossa is the part of your skull where your ... People with Chiari type II may also have a condition called hydrocephalus, which is a nervous system disorder caused by a buildup ...

As noted above, acquired cerebellar tonsillar herniation can also result from a spinal CSF leak as the contents of the posterior fossa are pulled down into the upper spinal canal because of the ...

Approximately 400,000 cases of infantile and childhood hydrocephalus occur worldwide annually. 1 For most affected patients, treatment is inadequate because of limited access to care. Left ...

Arachnoid Cyst of the Posterior Cranial Fossa: (Left) T1-weighted axial MRI ... they can enlarge and present as a mass lesion with focal neurological signs, seizures or hydrocephalus.

It also blocks the flow of cerebrospinal fluid (CSF). Surgery is one of the main ... most common type of surgery for CM is called posterior fossa decompression. This procedure creates additional ...

Following posterior fossa and posterolateral skull base surgeries, postoperative pseudomeningocele (PMC) and cerebrospinal fluid (CSF) leak are common complications. Researchers performed a ...

NOTE. Test versions used to assess intellectual functioning included: Wechsler Intelligence Scale for Children (eds 3 and 4), Wechsler Preschool and Primary Scale of Intelligence (revised and ed 2), ...