Dandy-Walker continuum

Changed by Bruno Di Muzio, 9 Jul 2015

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Dandy ~~Walker~~-Walker continuum

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Dandy Walker continuum, also referred as Dandy Walker spectrum or Dandy Walker complex, corresponds to a group of disorders believed to represent a continuum spectrum of posterior fossa malformations, characterised by a combined posterior fossa cyst communicating with the fourth ventricle as well as abnormal development of the cerebellar vermis.

These conditions remain poorly understood, and this terminology is still a controversy. Some authors recommend to avoid it as there is a lack of specificity that may create some confusion. Instead, a more detailed anatomic description is recommended ².

Conditions classically included under the term Dandy Walker continuum include:

Dandy Walker malformation (“classic”)
Dandy Walker variant
- Isolated inferior vermian hypoplasia
Blake’s pouch cyst
fourth ventriculocoele

~~-<li>Dandy Walker malformation (“classic”)</li>~~
~~-<li>Dandy Walker variant<ul><li>Isolated inferior vermian hypoplasia</li></ul>~~
+<li>
+<a href="/articles/dandy-walker-malformation-1">Dandy Walker malformation</a> (“classic”)</li>
+<li>
+<a href="/articles/dandy-walker-variant-4">Dandy Walker variant</a><ul><li><a href="/articles/isolated-inferior-vermian-hypoplasia">Isolated inferior vermian hypoplasia</a></li></ul>
~~-<li>Blake’s pouch cyst </li>~~
~~-<li>fourth ventriculocoele </li>~~
+<li><a href="/articles/blake-s-pouch-cyst">Blake’s pouch cyst </a></li>
+<li><a href="/articles/fourth-ventriculocoele">fourth ventriculocoele </a></li>

References changed:

1. Patel S, Barkovich AJ. Analysis and classification of cerebellar malformations. AJNR Am J Neuroradiol. 2002;23 (7): 1074-87. <a href="http://www.ajnr.org/content/23/7/1074.full">AJNR Am J Neuroradiol (full text)</a> - <a href="http://www.ncbi.nlm.nih.gov/pubmed/12169461">Pubmed citation</a><span class="auto"></span>
2. Bosemani T, Orman G, Boltshauser E et-al. Congenital abnormalities of the posterior fossa. Radiographics. 2015;35 (1): 200-20. <a href="http://dx.doi.org/10.1148/rg.351140038">doi:10.1148/rg.351140038</a> - <a href="http://www.ncbi.nlm.nih.gov/pubmed/25590398">Pubmed citation</a><span class="auto"></span>
3. Kollias SS, Ball WS, Prenger EC. Cystic malformations of the posterior fossa: differential diagnosis clarified through embryologic analysis. Radiographics. 1993;13 (6): 1211-31. <a href="http://radiographics.rsna.org/content/13/6/1211.abstract">Radiographics (abstract)</a> - <a href="http://www.ncbi.nlm.nih.gov/pubmed/8031352">Pubmed citation</a><div class="ref_v2"></div>

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