The hip is made of a bowl shape socket on the pelvis and a ball at the top of the leg bone. A hip osteotomy is a surgery to cut, reshape, and reposition the bones of the pelvis or legs.

The Hip Joint
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Hip osteotomy is done when the hip bones do not fit together well. Poorly fitting hip bones can cause pain and make it difficult to move. Over a long period of time the improper fit can lead to problems like arthritis.

The surgery is most often done in children. It may be done because of: