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Tectal beaking (midbrain)

Tectal beaking refers to the fusion of the midbrain colliculi into a single beak pointing posteriorly and invaginating into the cerebellum. It is seen with a Chiari type II malformation.


The term bird beak sign is used in a number of other contexts: see bird beak sign (disambiguation).

Inspired signs

Article information

rID: 24247
Section: Signs
Synonyms or Alternate Spellings:
  • Heart shape tectum

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Cases and figures

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