Lunate dislocation

Case contributed by Dr Eric F Greif

Presentation

Right arm injury with pain.

Patient Data

Age: 35
Gender: Male
X-ray

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).

How to use cases

You can use Radiopaedia cases in a variety of ways to help you learn and teach.

Creating your own cases is easy.

Updating… Please wait.

 Unable to process the form. Check for errors and try again.

 Thank you for updating your details.