Dandy-Walker malformation

Case contributed by A.Prof Frank Gaillard
Modality: CT

Vermis hypoplasia with superior rotation of the vermian remnant associated with an enlarged posterior fossa communicating with the fourth ventricle.

Case Discussion

A large cystic area occupies the posterior aspect of the posterior fossa communicating directly with the fourth ventricle. No normal vermis can be identified, with a small vermian remnant appearing displaced and rotated superiorly. Features are consistent with a Dandy Walker malformation.

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Case Information

rID: 4593
Case created: 19th Sep 2008
Last edited: 9th Dec 2015
Inclusion in quiz mode: Included

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