At the time the article was created Marcos Gil Alberto da Veiga had no recorded disclosures.
View Marcos Gil Alberto da Veiga's current disclosuresAt the time the article was last revised Marcos Gil Alberto da Veiga had no recorded disclosures.
View Marcos Gil Alberto da Veiga's current disclosuresThe tail sign has been described as being specific to Dandy-Walker malformation in fetal MRI.1
It is described as a linear T2 hypointensity in the inferior part of the vermis. Histologically, it corresponds to a thickness of the fourth ventricle roof that appears raised and dysplastic.1
The specificity and clinical utility of this sign have been disputed and considered misleading.2
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