Os triangulare

Case contributed by Dr Bahman Rasuli


Wrist pain after trauma.

Patient Data

Age: 30 years
Gender: Female

There is a well-corticated accessory ossicle with the sclerotic border between the ulnar styloid, triquetrum and pisiform. 

Case Discussion

Os triangulare may be unilateral or bilateral and the main differential diagnosis is non-union of an ulnar styloid process fracture.

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