Presentation
Sports injury.
Patient Data
Age: 25 years
Gender: Male
From the case:
Transtriquetral perilunate dislocation
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Info
The capitate is dorsally dislocated with respect to the lunate in keeping with perilunate dislocation. The lunate is rotated anteriorly but maintains it's articulation with the radius.
There are also displaced fractures of the triquetrum and the ulnar styloid process.
From the case:
Transtriquetral perilunate dislocation
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Info
- Posterior perilunate dislocation.
- Anterior subluxation of the lunate (with respect to the radius). Tiny volar cortical fracture of the lunate.
- Transverse fracture of the triquetrum with posterior displacement.
- Ulnar styloid process fracture.
Case Discussion
Example of a perilunate dislocation with triquetral fracture. Transcaphoid form of perilunate dislocation is more common.
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