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| A prospective study on the X-ray features and staging of femoroacetabular syndrome |
| CAI Yi, CHU Dong-hui, YE Sheng-qiang, ZHAO Song-bo, TIAN Zhao-jian |
| Department of Radiology, Central Hospital of Shengli Oilfield, Dongying Shandong 257034, China |
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Abstract Objective: To evaluate the characteristic X-ray features of femoroacetabular impingement(FAI) syndrome and also prospectively establish a diagnostic and staging criteria for FAI syndrome. Methods: Combined with X-ray plain film of the hip joint and scoring method, the X-ray features of the hip in 31 patients with FAI and 3 patients after hip surgery were analyzed for classification and staging. Results: ①X-ray plain film can clearly show the characteristic changes of the hip joint in FAI syndrome. By quantifying X-ray features, 11 items were set up for measurement, scoring and staging of FAI. Low scoring of FAI, the pathological changes were also early and mild. ②Among the 31 FAI patients, 9 patients belong to Cam type impingement, 7 patients were pincer type impingement, 15 patients belong to mixed type. Conclusion: The main X-ray features of FAI are abnormal appearances of the acetabulum, femoral-neck junction. Analysis of the morphological deformation and measurement of the 11 items are valuable for the staging of FAI syndrome.
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Received: 18 October 2013
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2014, Vol. 25 
