Long history of a left sided limp.
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Left acetabulum has a steep contour and is shallow. Left femoral head has lost its normal rounded shape and is flattened with a short femoral neck. Plate and screws are seen following a previous left proximal femoral osteotomy.
The right femoral head is also mildly uncovered with a reduced centre edge angle and a mildly shallow acetabulum consistent with mild acetabular dysplasia.
Appearance is compatible with acetabular dysplasia (developmental dysplasia of the hip).
Typical appearances of developmental dysplasia of the hip, worse on the left. Developmental dysplasia in its more severe form is often diagnosed by screening during the first year of life. Patients with milder form of the disease may present later as adults with vague hip symptoms, pain or limping or with secondary osteoarthritis.
- Fowkes LA, Petridou E, Zagorski C et-al. Defining a reference range of acetabular inclination and center-edge angle of the hip in asymptomatic individuals. Skeletal Radiol. 2011;40 (11): 1427-34. Skeletal Radiol. (full text) - doi:10.1007/s00256-011-1109-3 - Pubmed citation
- Werner C, Ramseier L, Ruckstuhl T et-al. Normal values of Wiberg’s lateral center-edge angle and Lequesne’s acetabular index–a coxometric update. Skeletal Radiol. 2012;41 (10): 1273-1278. Skeletal Radiol (full text) - doi:10.1007/s00256-012-1420-7