Dandy-Walker malformation | Radiology Reference Article
Nov 10, 2024 · Dandy-Walker malformation (DWM) is the most common posterior fossa malformation, characterized by the triad of: hypoplasia of the vermis and cephalad rotation of the vermian remnant. cystic dilatation of the fourth ventricle extending posteriorly
Dandy-Walker variant | Radiology Reference Article
May 26, 2024 · Dandy-Walker variant (DWV) is a historical term previously used to describe posterior fossa cystic malformations that did not meet the criteria for Dandy-Walker malformation.
Dandy Walker variant | Radiology Case | Radiopaedia.org
The fourth ventricle is slightly enlarged and communicating dorsally with enlarged cisterna magna through a slit like opening creating characteristic ''key hole'' deformity suggestive of Dandy Walker variant.
Isolated inferior vermian hypoplasia - Radiopaedia.org
Aug 21, 2024 · Previously the term Dandy-Walker variant was used to describe cystic malformations of the posterior fossa that did not meet the criteria for Dandy-Walker malformation. This is now discouraged as it is ambiguous. Instead, a more detailed anatomic description like IIVH is recommended 1,2.
Dandy-Walker continuum | Radiology Reference Article
Jun 28, 2024 · Dandy-Walker continuum, also referred to as Dandy-Walker spectrum or Dandy-Walker complex, corresponds to a group of disorders believed to represent a continuum spectrum of posterior fossa malformations, characterized by inferior vermian hypoplasia and incomplete formation of the fourth ventricle which communicates with a prominent posterior ...
Mega cisterna magna | Radiology Reference Article
Nov 19, 2024 · Mega cisterna magna refers to a normal variant characterized by a truly focal enlargement of the CSF-filled subarachnoid space in the inferior and posterior portions of the posterior cranial fossa. It is an incidental finding on neuroimaging, and no …
Dandy Walker | Search | Radiopaedia.org
May 31, 2013 · Dandy-Walker variant (DWv) is a less severe posterior fossa anomaly than the classic Dandy-Walker malformation (DWM), characterized as partial vermian hypoplasia with partial obstruction to the fourth ventricle.
dandy-walker | Search | Radiopaedia.org
Nov 12, 2011 · Dandy-Walker variant (DWV) is a historical term previously used to describe posterior fossa cystic malformations that did not meet the criteria for Dandy-Walker malformation. However, the use of the term is non-specific and highly discouraged 1. Please refer to isolated inferior vermian hypoplas...
Dandy-Walker malformation variant | Radiology Case
Gharbia H Dandy-Walker malformation variant. Case study, Radiopaedia.org (Accessed on 05 Jan 2025) https://doi.org/10.53347/rID-157054
Classification system for malformations of the cerebellum
May 3, 2024 · Dandy-Walker continuum. normal fourth ventricle. with normal pons. with small pons. normal foliation. pontocerebellar hypoplasias of Barth, types I and II. cerebellar hypoplasias, not otherwise specified. cerebellar dysplasia: abnormal cerebellar foliation, fissuration, and architecture of the cerebellar white matter 2. focal dysplasia ...
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