Lunate dislocation

Case contributed by Dr Mohammad Osama Hussein Yonso

Presentation

Hit by metal at work. On examination: tenderness, swelling, and abrasion left wrist and hand.

Patient Data

Age: 30 years
Gender: Male
X-ray
  • loss of Gilula arcs
  • proximal migration of capitate 
  • capitate not sitting within the distal articular 'cup' of the lunate
  • a line drawn through radius and lunate fails to intersect capitate 
  • lunate is seen displaced and angulated volar
  • soft tissue swelling.

Case Discussion

There is volar dislocation of the lunate relative to the radius, with 90-degrees palmar rotation.

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Case information

rID: 89871
Published: 24th May 2021
Last edited: 25th May 2021
Inclusion in quiz mode: Included
Institution: Qatar Red Crescent

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