PMC4861851_01
Anteroposterior radiograph of the pelvis (preoperative) demonstrating bilateral dysplastic bumps (arrows) at the femoral head-neck junctions.
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Frog-leg radiograph of the right hip demonstrating the dysplastic bump of the cam-type morphology in the femoroacetabular impingement syndrome.
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Axial MRI proton-density, fat-saturation imaging showing the dysplastic bump on the right (arrow).
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Proton-density, fat saturation coronal sequence demonstrating the bony prominence at the femoral head-neck junction (arrow). Also evident is a subtle, adjacent articular cartilage signal irregularity consistent with chondrosis.
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iIntraoperative video that demonstrates the removal of the variant anatomy of femoroacetabular impingement syndrome.
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Fig. 5 is an intra-operative fluoroscopic video that demonstrates the osteotomy of the dysplastic bump.
Postoperative anteroposterior radiograph of the pelvis demonstrating the site of removal of the dysplastic bump (arrow) on the right.
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Postoperative radiographs (Figs. 6 and 7) demonstrated improved contour of the femoral head-neck junction.
Postoperative frog-leg radiograph of the right hip demonstrating improvement in the cam-type dysplastic bump.
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Postoperative radiographs (Figs. 6 and 7) demonstrated improved contour of the femoral head-neck junction.