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美国卫生研究院文献>International Orthopaedics
>Experimental study of an original radiographic view for diagnosis of cam-type anterior femoroacetabular impingement
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Experimental study of an original radiographic view for diagnosis of cam-type anterior femoroacetabular impingement
PurposePrimary paraclinical investigation to look for femoral morphological abnormality consistent with cam-type anterior femoroacetabular impingement (FAI) must include specific radiographic projections of the hip from the following: cross-table, frog-leg or Dunn (90° and 45° flexion). We use a frog-leg type view with fixed angles as described by Chiron, obtained with the patient in a supine position, with the hip in 45° flexion-abduction and 30° external rotation. The X-ray beam is anteroposterior and centred on the femoral head. We evaluated this view by comparing it with other views in common use.
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