Objective To study the development of the cartilage of femoral head after acetabulum fracture, and the connection of osteoarthritis and osteonecrosis of femoral head.

• 目的:本文研究髋臼骨折后股骨头软骨的变化,探讨髋臼骨折后骨性关节炎及股骨头坏死的发生情况。