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Olecranon foramen

Last revised by Mostafa Elfeky ◉ on 21 Sep 2020

Citation, DOI, disclosures and article data

Citation:

Knipe H, Elfeky M, Dixon A, et al. Olecranon foramen. Reference article, Radiopaedia.org (Accessed on 17 Mar 2025) https://doi.org/10.53347/rID-28610

DOI:

https://doi.org/10.53347/rID-28610

Permalink:

https://radiopaedia.org/articles/28610?embed_domain=external.radpair.com%27%5B0%5D%27%5B0%5Dfavicon.icofavicon.icofavicon.ico

rID:

28610

Article created:

3 Apr 2014, Henry Knipe ◉

Disclosures:

At the time the article was created Henry Knipe had no recorded disclosures.

View Henry Knipe's current disclosures

Last revised:

21 Sep 2020, Mostafa Elfeky ◉

Disclosures:

At the time the article was last revised Mostafa Elfeky had no recorded disclosures.

View Mostafa Elfeky's current disclosures

Revisions:

8 times, by 7 contributors - see full revision history and disclosures

Systems:

Musculoskeletal

Sections:

Anatomy

Tags:

variant, elbow, arm

Synonyms:

Septal aperture
Supratrochlear foramen

An olecranon foramen, also known as septal aperture or supratrochlear foramen, is a common normal anatomical variant of the distal humerus.

Epidemiology

There is a wide variation of incidence, occurring between 5% to 50% of the population depending on ethnicity, being more common in individuals of African descent than Caucasians, and is most often bilateral ^1,2.

Gross anatomy

The olecranon foramen is an aperture formed by the failure of ossification of the septum that separates the coronoid and olecranon fossae.

Related pathology

presence may put patients at increased risk of distal humerus fractures ³

References

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Olecranon foramen