Malformations of the Posterior Fossa - Review Article
Author Vincenzo D'Addario, Luca Di Cagno, Pasquale Capuano, Mariangela Cialdella
ISSN 0973-614X
JournalTitle Donald School Journal of Ultrasound in Obstetrics and Gynecology
DOI 10.5005/jp-journals-10009-1536
Volume 11
Issue 4
Publishing Year 2017
Pages 294-301
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Malformations of the posterior fossa include multiple entities which have been described in the recent years using different terminologies, thus causing some confusion in the literature about this topic.
They can be divided into two main categories: Cystic and noncystic. The cystic group includes Dandy-Walker malformation (DWM), vermian hypoplasia (VH), Blake’s pouch cyst (BPC), mega cisterna magna (MCM), arachnoid cysts (ACs).
The noncystic group includes cerebellar hypoplasia, rhombencephalosynapsis, Chiari II malformation.
The correct prenatal diagnosis allows to make the proper prognosis which is extremely variable ranging from cases with normal outcome to cases with severe neurodevelopmental delay.
The aim of this review is to evaluate the feasibility of sonographic diagnosis of the posterior fossa abnormalities and to discuss their clinical consequences.

Keywords: Blake pouch cyst, Cerebellum, Dandy Walker malformation, Megacisterna magna, Posterior fossa, Vermian hypoplasia

How to cite this article: D’Addario V, Di Cagno L, Capuano P, Cialdella M. Malformations of the Posterior Fossa. Donald School J Ultrasound Obstet Gynecol 2017;11(4):294-301.

Source of support: Nil

Conflict of interest: None

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