Basion

Last revised by Craig Hacking on 7 Oct 2017

Citation, DOI, disclosures and article data

Citation:

Hacking C, Basion. Reference article, Radiopaedia.org (Accessed on 19 Apr 2024) https://doi.org/10.53347/rID-40452

DOI:

https://doi.org/10.53347/rID-40452

Permalink:

https://radiopaedia.org/articles/40452?iframe=true

rID:

40452

Article created:

22 Oct 2015, Craig Hacking ◉ ◈

Disclosures:

At the time the article was created Craig Hacking had no recorded disclosures.

Last revised:

7 Oct 2017, Craig Hacking ◉ ◈

Disclosures:

At the time the article was last revised Craig Hacking had no recorded disclosures.

Revisions:

2 times, by 1 contributor - see full revision history and disclosures

Systems:

Central Nervous System, Head & Neck

Sections:

Anatomy

The basion is the median (midline) point of the anterior margin of the foramen magnum. The apical ligament attaches to it.

It is one of the skull landmarks, craniometric points for radiological or anthropological skull measurement.

Various lines and measurements using the basion are made in the diagnosis of atlanto-occipital dissociation (AOD) injuries, platybasia and basilar invagination:

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