Abstract
Osteopetrosis is an uncommon endocrine disease characterized by defective osteoclast
resorption of bones. This causes a hard, sclerotic, and brittle bone throughout the
skeleton. Fractures and unforgiving subchondral bone are common in this condition,
both of which can lead to osteoarthritis. Total knee arthroplasty is often the treatment
of choice but presents challenges due to the hard and sclerotic bone present throughout
the metaphysis and diaphysis of the femur and the tibia. We present a case of knee
osteoarthritis in a patient with osteopetrosis who underwent total knee arthroplasty
using patient-specific instrumentation. This technique eliminates intramedullary alignment
and minimizes drilling, reaming, and saw passes, making it attractive in the setting
of diseases such as osteopetrosis to decrease operative time and potential complications.
Keywords
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Article info
Publication history
Published online: January 30, 2012
Accepted:
December 10,
2011
Received:
July 10,
2011
Footnotes
The Conflict of Interest statement associated with this article can be found at doi:10.1016/j.arth.2011.12.007.
Identification
Copyright
© 2012 Elsevier Inc. Published by Elsevier Inc. All rights reserved.
