Presentation
Fell off onto his right wrist.
Patient Data
Age: 40 years
Gender: Male
From the case:
Dorsal triquetral avulsion fracture
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There is an avulsed small flake of bone lying posteriorly to the triquetral bone (pooping duck sign)
From the case:
Dorsal triquetral avulsion fracture
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CT confirms the presence of a dorsal triquetral avulsion fracture
no other carpal, metacarpophalangeal or distal radioulnar fractures
no radio-ulnar, lunotriquetral or scapholunate dislocation
Case Discussion
Typical features of a dorsal triquetral avulsion fracture. In these fractures, there is an avulsion of the bony attachment of the dorsal intercarpal and the dorsal radiocarpal ligaments.
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