Os triangulare

Case contributed by Dr Henry Knipe

Presentation

Fall. Painful wrist.

Patient Data

Age: 22
Gender: Male
Modality: X-ray

Well corticated bony fragment distal to the ulna fovea, adjacent to the ulna styloid. Most consistent with an accessory ossicle - os triangulare

Modality: Annotated image

Annotated image thanks to Dr Ian Bickle.

Case Discussion

Accessory ossicles are an important differential diagnosis to fractures, especially in the wrist where more than 20 have been documented. 

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Case Information

rID: 25054
Case created: 1st Oct 2013
Last edited: 4th Sep 2015
Tags: variant, wrist
Inclusion in quiz mode: Excluded

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