目的探讨一种股骨颈前倾角术中新的测量方法。

Objective To probe a new approach the measurement of femoral anteversion.

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目的探讨发育性髋关节脱位（DDH）股骨颈前倾角（FNA）的病理改变，并利用髋关节的三维（3D）CT影像指导手术。

Objective To discuss the femoral neck anteversion(FNA) of developmental dislocation of the hip(DDH) and guide operation with visual and digitalized picture in the dimensional(3D) CT.

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