Frontal radiograph of the pelvis. The ossification centers of the
capital femoral epiphyses are symmetric and located in the joint spaces.
Both heads project in the inner lower quadrants formed by the
intersection of the Hilgenreiner (H) and Perkin (P) lines. Shenton lines
(S) are continuous and demarcated by the dashed lines. The acetabular
angles are symmetric and less than 28° bilaterally. |
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