Os radiostyloideum and triquetral fracture

Case contributed by Dr Henry Knipe

Presentation

Soccer injury - painful, swollen wrist.

Patient Data

Age: 30
Gender: Male

Bony fragments on the dorsal aspect of the proximal carpus, consistent with a triquetral fracture.
Bony ossicle seen adjacent to the radial styloid - an os radiostyloideum (also called a persistent radial styloid).

Annotated image

Red circle denotes site of accessory ossicle. 

Case Discussion

CT revealed (not shown here)  the fracture to be a comminuted fracture of the triquetrum and confirmed the presence of an accessory ossicle - os radiostyloideum (or persistent radial styloid). 

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Case information

rID: 25066
Case created: 2nd Oct 2013
Last edited: 4th Sep 2015
Inclusion in quiz mode: Included

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