Avascular Necrosis of the Lunate.
Edited By: Thomas Trumble, M.D.
Last updated Thursday, March 17, 2005
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AboutBasics of kienbock's disease Kienbock’s disease is an idiopathic condition, meaning there is no known
cause. The pathology results from
ischemia and subsequent necrosis of the lunate, one of the primary bones of the
wrist. As the lunate collapses, the
wrist undergoes a predictable pattern of arthritic degeneration and coinciding
instability. Patients will often
complain of site-specific pain, weakness, and mechanical symptoms (clicking, clunking,
subjective instability, and stiffness).
Depending on the stage at presentation, different modalities of
treatment are available.Immediate medical attention
The earliest symptom is pain on the mid-dorsal aspect of
the wrist. It may or may not be preceded
by a history of trauma. Some authors
believe it is caused by repetitive micro-trauma; however, most cases are not
precipitated by any identifiable injury.
Associated with the pain patients may report local swelling, weakness,
and decreased wrist extension . The pain
will precede any findings on plain radiographs.
It may be detected earlier on MRI. Once a diagnosis of Kienbock’s disease is
made, immediate referral to an orthopedic surgeon is indicated.
Surgery for Kienbock's Disease at the University of Washington, Department of Orthopaedics and Sports Medicine, Seattle, Washington If you are interested in making an appointment to discuss this procedure in Seattle, you can request an appointment using our online referrals website. To request a referral online, please click here. You can also call 206-598-BONE (2663) to make an appointment. Our clinical center is located in Seattle Washington, USA
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