Os triangulare

Last revised by Mohammadtaghi Niknejad ◉ on 16 Feb 2021

Citation, DOI, disclosures and article data

Citation:

Knipe H, Niknejad M, El-Feky M, et al. Os triangulare. Reference article, Radiopaedia.org (Accessed on 04 Oct 2023) https://doi.org/10.53347/rID-25056

DOI:

https://doi.org/10.53347/rID-25056

Permalink:

https://radiopaedia.org/articles/25056

rID:

25056

Article created:

1 Oct 2013, Henry Knipe ◉ ◈

Disclosures:

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

View Henry Knipe's current disclosures

Last revised:

16 Feb 2021, Mohammadtaghi Niknejad ◉

Disclosures:

At the time the article was last revised Mohammadtaghi Niknejad had no recorded disclosures.

View Mohammadtaghi Niknejad's current disclosures

Revisions:

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

Systems:

Musculoskeletal

Sections:

Anatomy

Tags:

wrist, variant, accessory ossicle

Synonyms:

Os triquetrum secundarium
Os triangulare
Os intermedium antebrachii

The os triangulare (also known as the os intermedium antebrachii or os triquetrum secundarium) is an accessory ossicle located between the ulnar styloid, lunate and triquetrum ^1,2.

They may be unilateral or bilateral and the main differential diagnosis is non-union of an ulnar styloid process fracture ^1,3.