The perilunate dislocation results from a backwards fall on an extended hand which disrupts the scaphoid ligaments. The capitate is dorsally located relative to the lunate. The lunate bone maintains its normal relationship with the radius.
|A||PA radiograph of the wrist. This demonstrates the abnormal relationship between the scaphoid and lunate bones.|
|B||Lateral radiograph of the wrist. This shows the normal relationship of the lunate relative to the radius but there is dorsal displacement of the capitate bone.|
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