Dandy-Walker variant

Case contributed by Dr Hani Salam


Primary lactic acidosis.

Patient Data

Age: 22 days
Gender: Female

The brain MRI demonstrates normal ventricular system and midline structures. A large posterior fossa is noted with cerebellar hypoplasia notably in the left cerebellar hemisphere with enlargement of the retrocerebellar subarachnoid space that communicates with the 4th ventricle. There is no evidence of pontine or brainstem hypoplasia. 

Case Discussion

The described findings are most likely of Dandy-Walker variant

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Case information

rID: 8587
Published: 15th Feb 2010
Last edited: 28th Nov 2015
Tag: brain
Inclusion in quiz mode: Included

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