Dandy-Walker variant
Last revised by Jeremy Jones on 10 Jan 2024
Citation, DOI, disclosures and article data
Citation:
Radswiki T, Jones J, Schmidt R, et al. Dandy-Walker variant. Reference article, Radiopaedia.org (Accessed on 19 Mar 2024) https://doi.org/10.53347/rID-14701
Permalink:
rID:
14701
Article created:
23 Aug 2011,
The Radswiki ◉
Disclosures:
At the time the article was created The Radswiki had no recorded disclosures.
View The Radswiki's current disclosures
Last revised:
10 Jan 2024,
Jeremy Jones ◉
Disclosures:
At the time the article was last revised Jeremy Jones had no financial relationships to ineligible companies to disclose.
View Jeremy Jones's current disclosures
Revisions:
21 times, by
15 contributors -
see full revision history and disclosures
Systems:
Synonyms:
- Dandy-Walker variant
- Dandy Walker variant (DWV)
- DWV
- Dandy Walker variant
Dandy-Walker variant (DWv) is a historical term that was 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 is highly discouraged 1. Please refer to isolated inferior vermian hypoplasia for a broad discussion of this defined entity.
The term remains in use across many institutions and in the literature.
See also
References
- 1. Whitehead M, Barkovich M, Sidpra J et al. Refining the Neuroimaging Definition of the Dandy-Walker Phenotype. AJNR Am J Neuroradiol. 2022;43(10):1488-93. doi:10.3174/ajnr.a7659 - Pubmed
Incoming Links
Cases:
- Subependymal grey matter heterotopia with partial corpus callosum dysgenesis, open lip schizencephaly, pachygyria and Dandy Walker variant
- Dandy-Walker malformation variant
- Dandy Walker malformation
- Isolated inferior vermian hypoplasia
- Dandy Walker malformation
- Giant retrocerebellar cyst with obstructive hydrocephalus
- Dandy Walker variant
- Dandy Walker variant
- Dandy-Walker variant
- Dandy Walker malformation
- Cystic hygroma (Turner's syndrome)
Related articles: Malformations of the central nervous system
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malformations of cortical development
- abnormal cell proliferation or apoptosis
- abnormal brain size
-
microcephaly
- with normal to simplified cortical pattern
- microcephaly with lissencephaly
- microcephaly with extensive polymicrogyria
- macrocephalies (megalencephaly/macrocephaly)
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microcephaly
- abnormal cell proliferation
- non-neoplastic
- cortical hamartomas of tuberous sclerosis
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focal cortical dysplasia (Type I and Type IIb)
- Palmini classification (2004)
- Barkovich classification (2005)
- Blumcke classification (2011)
- neoplastic
- non-neoplastic
- abnormal neuronal migration
- lissencephaly
- lissencephaly type I: subcortical band heterotopia spectrum (band heterotopia): undermigration
- lissencephaly type II (cobblestone complex)
- heterotopia: ectopic migration
- subependymal heterotopia
- subcortical heterotopia (not including band heterotopia)
- marginal glioneuronal heterotopia
- lissencephaly
- abnormal cortical organization
- mild malformations of cortical development (previously microdysgenesis)
-
polymicrogyria and schizencephaly
- bilateral polymicrogyria syndromes
- schizencephaly
- focal cortical dysplasia (Type IIa)
- abnormal brain size
- not otherwise classified
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midline abnormalities of the brain
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midline nasal region lesions
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holoprosencephaly/septo-optic dysplasia spectrum
- septo-optic dysplasia
- lobar holoprosencephaly
- semilobar holoprosencephaly
- alobar holoprosencephaly
- middle interhemispheric variant/syntelencephaly
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holoprosencephaly/septo-optic dysplasia spectrum
- corpus callosum
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malformations of the cerebellum
- cerebellar hypoplasia
- focal hypoplasia
- generalized hypoplasia
- with enlarged fourth ventricle
- normal fourth ventricle
- with normal pons
- with small pons
- normal foliation
- pontocerebellar hypoplasias of Barth, types I and II
- cerebellar hypoplasias, not otherwise specified
- normal foliation
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- isolated vermian dysplasia
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- rhombencephalosynapsis
- isolated hemispheric dysplasia
- focal cerebellar cortical dysplasias/heterotopia
- dysplastic cerebellar gangliocytoma
- isolated vermian dysplasia
- generalized dysplasia
- congenital muscular dystrophies
- cytomegalovirus
- lissencephaly with RELN mutation
- lissencephaly with agenesis of corpus callosum and cerebellar dysplasia
- associated with diffuse cerebral polymicrogyria
- diffusely abnormal foliation
- focal dysplasia
- cerebellar hypoplasia
- malformations of the brainstem