Os triangulare

Case contributed by Dr Mohammad Taghi Niknejad


Wrist pain.

Patient Data

Age: 35 years
Gender: Male

There are two well-corticated bony fragments distal to the ulnar fovea, adjacent to the ulnar styloid. Most consistent with accessory ossicles.

Case Discussion

Features are most compatible with a bipartite or fragmented os triangulare, an accessory ossicle located between the ulnar styloid, lunate and triquetrum.

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Case information

rID: 61239
Published: 24th Jun 2018
Last edited: 14th Aug 2019
Inclusion in quiz mode: Included
Institution: Tabesh medical imaging center

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