What is Osteotomy?

Osteotomy refers to removing the necrotic area from the femoral head weight bearing area and removing the non-necrotic area from the weight bearing area. Clinical osteotomy includes varus or valgus osteotomy, femoral rotator osteotomy, etc. This method is suitable for stage II or stage III early and middle stage AVN with medium necrosis volume. This technique will bring greater technical difficulties for future artificial joint replacement. [1]

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