Platybasia may be associated with Chiari malformations.

Chiari I malformation is seen in less than 1% of the adult and is usually asymptomatic.

Hydrocephalus is not a common feature of Chiari I malformation.

Cases of sudden death with Chiari I malformation have very rarely reported.

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Conflict of Interest: None.

Availability of data and material: NA.

Ethics approval and consent to participate: Not applicable.

Availability of data and materials: The authors confirm that the data supporting the findings of this study are available within the article.

Competing interests: All authors disclose that they have no conflict of interest that could inappropriately influence this work.

Funding: This study was self-funded.

None.

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