الفهرس 
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Abstract
Kienbock’s disease, is a rare, debilitating condition that
can lead to chronic pain and dysfunction. It happens when one
of the eight small carpal bones in the wrist, the lunate bone,
becomes damaged because there is no blood supply.It is also
known as avascular necrosis of the lunate or osteocronosis of
the lunate.
Kienbock’s most commonly affects people aged from 20
to 40 years of age, and it occurs in men more often than in
women. It rarely happens in both wrists.
Symptoms include Swelling, pain, stiffness in the
wrist,clicking or clunking in the wrist,weakening of grip
strength,tenderness directly over the lunate bone, difficulty or
pain when turning the hand upward
The progression of Kienbock’s disease varies between
patients, but it tends to develop slowly and subtly over a
number of years.It ends by complete lunate collapse however
not all patients reach that stage.many patients are diagnose in
earlier stages where MRI is of great role in diagnosis.
Different surgical ways of treatment are suggested for
early stages of kienbocks disease. these ways include radius
core decompression, joint leveling procedures and vascularized
bone graft. most recent technique is the partial capitate
shortening which is a way of joint leveling.