Kienböck disease is an injury to the lunate, which is one of the carpal bones located in the wrist. The blood supply to the lunate is disrupted, causing damage or osteonecrosis (osteo = bone, necrosis = death). It is also known as lunatomalacia and avascular necrosis of the lunate, an injury similar to avascular necrosis of the femoral head. It can occur not only after an acute trauma but also after repetitive overuse motions. Early recognition and treatment can lead to better outcomes.


The lunate is one of the eight ...

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