Knee osteotomyBy Mayo Clinic staff
Original Article: http://www.mayoclinic.com/health/medical/IM04133
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For some people, arthritis damages one side of the knee more than the other side. This can cause your knee to bow inward or outward. Removing or adding a wedge of bone in your shinbone or thighbone can help straighten out this bowing and shift your weight to the undamaged part of your knee joint.