Among 56 hips of DDH, the defect included mild in 11 hips ( 19.6% ), superior median defect in 26 ( 46.4% ), anterior median defect in 14 (25%) and total defect in 5 ( 8.9% ) .

• 5 6个髋臼的 3DCT显示髋臼缺损类型包括轻微缺损 11髋 (19.；6%25 )、中上缺损 2 6髋 (4 6