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Kienbock's disease

Other Names for this Disease
  • Bilateral Kienbock's disease
  • Kienbock disease
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Kienbock's disease is a condition characterized by interruption of blood supply to one of the small bones of the hand near the wrist (the lunate). If the blood supply to a bone stops, the bone can die; this is known as osteonecrosis. Affected individuals may first think they have a sprained wrist; they may have experienced trauma to the wrist, which can disrupt the blood flow to the lunate. As the disease progresses, signs and symptoms may include a painful and/or swollen wrist; limited range of motion (stiffness); decreased grip strength; tenderness directly over the bone; and pain or difficulty in turning the hand upward. The cause of Kienbock's disease is not known. Treatment aims to relieve the pressure on the lunate and restore blood flow within the bone.[1]
Last updated: 7/5/2013


  1. Kienbock's Disease. American Academy of Orthopaedic Surgeons. October 2007; Accessed 8/16/2011.
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