Trapezoid dislocation

Case contributed by Dr Ian Bickle


Awkward fall on hand with pain and swelling.

Patient Data

Age: 30
Gender: Male

The trapezoid no longer appropropriately articulates with the capitate in the distal carpal row.

No fracture.

Annotated image

AP wrist view with comparative normal study (left) and trapezoid dislocation (right).

The circle indicated the dislocated trapezoid bone in the distal carpal row.

Case Discussion

Carpal bone dislocation is uncommon. Orthogonal views are essential in identifying carpal bone injuries.

Close assessment of the alignment of the carpal rows will reduce the chance of missing this important injury.

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Case information

rID: 47071
Case created: 30th Jul 2016
Last edited: 5th Apr 2017
Tags: clarke, rapids
Inclusion in quiz mode: Included

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