Arachnoid cyst of the posterior fossa with hydrocephalus

Case contributed by Assoc Prof Frank Gaillard

Patient Data

Age: Child

Large posterior cranial fossa CSF intensity space consistent with an arachnoid cyst displaces the cerebellum anteriorly resulting in marked obstructive hydrocephalus. Note the ballooning of the third ventricular recesses and the upward displacement of the corpus callosum. 

Case Discussion

Child with massive obstructive hydrocephalus due to a posterior fossa arachnoid cyst pushing the cerebellum anteriorly and obstructing CSF flow.

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Case information

rID: 5682
Published: 14th Mar 2009
Last edited: 25th Feb 2020
Inclusion in quiz mode: Included

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