Dandy Walker variant

Case contributed by Dr Aditya Shetty

Presentation

One episode of generalized tonic clonic seizure; large head size

Patient Data

Age: 2
Gender: Male
CT

A  cystic area of CSF density is noted in the posterior fossa 

This cystic area is in continuation with the fourth ventricle.

Vermian hypoplasia is also noted with gross hydrocephalus

Case Discussion

Case of Dandy Walker variant (less severe type as part of the Dandy Walker continuum) with gross hydrocephalus 

A 'key-hole' appearance is formed due to vermian hypoplasia and the cystic area extending into the 4th ventricle

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Case information

rID: 27797
Case created: 20th Feb 2014
Last edited: 1st Oct 2015
Tag: shetty
Inclusion in quiz mode: Included

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