Butterfly sign (choroid plexus)

Butterfly sign refers to the normal appearance of bilateral choroid plexuses on axial imaging of the fetal brain, commonly observed on the antenatal ultrasound. Its absence may suggest holoprosencephaly 1.

In the CNS, the term should not be mistaken by butterfly glioma, which is a glioblastoma that crosses the midline via the corpus callosum, observed in a different age group. 


Inspired signs
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Article Information

rID: 41911
Section: Signs
Tags: refs, cases
Synonyms or Alternate Spellings:

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