Small bony element at the radioulnar joint

Case contributed by Evangeline Collins
Diagnosis almost certain

Presentation

Bilateral hand stiffness, pain and locking, cause?

Patient Data

Age: 55 years
Gender: Male
DP
Hand
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DP Hand
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Info

No previous imaging is available for comparison.

Small well corticated ossific density at the distal radioulnar joint.

Imaging features may represent an accessory ossicle (small bony element at the radioulnar joint).

Differential diagnosis would include a previous fracture non-union at this site.

Case Discussion

Accessory ossicles are common throughout the carpus.

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