Lunate dislocation

Case contributed by Dr Eric F Greif


Right arm injury with pain.

Patient Data

Age: 35
Gender: Male

There is volar rotation and displacement of the lunate, with loss of the radiolunate and lunocapitate articulation. The remaining carpal bones maintain their alignment with the radius on lateral view. The lunate has a triangular appearance on frontal view with the apex overlapping with the capitate. Findings are keeping with lunate dislocation. No fractures identified.

Case Discussion

This is an example of a stage 4 carpal dislocation (perilunate instability).

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Case information

rID: 29658
Published: 12th Jun 2014
Last edited: 23rd Dec 2019
Inclusion in quiz mode: Included

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