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Two types of hip disease, acetabular dysplasia and pincer femoro-acetabular impingement, are associated with morphological abnormalities of the acetabulum, including acetabular diameter, depth and orientation (Zeng et al., 2012).
(7) reported a high incidence of cam and pincer impingement lesions, as well as acetabular dysplasia, in professional ballet dancers.
The radiographs detected platyspondyly, thoracolumbar scoliosis, dysplastic femoral epiphysis and metaphysis, mild acetabular dysplasia, and dysplastic radial epiphysis and radial and ulnar metaphysis.
For instance, there is associated adaptive shortening of the soft tissues, capsular constriction, increased femoral anteversion, acetabular dysplasia, presence of obstructing structures such as the fibrofatty tissue in the acetabulum, hypertrophied ligamentum teres, the transverse acetabular ligament and fixed inversion of limbus.1-4,13,14 Femoral diaphyseal shortening is superior to traction as an aid in operative reduction of DDH in older children.
(37) His data suggested that 39% of those with osteoarthritis of the hip exhibited radiographic evidence of acetabular dysplasia (20%) or "tilt deformity" (19%), which was later defined as a cam.
Wan, "Medial protrusio technique for placement of a porous-coated, hemispherical acetabular component without cement in a total hip arthroplasty in patients who have acetabular dysplasia," Journal of Bone & Joint Surgery, vol.
Rand, "Bulk femoral-head autografting in uncemented total hip arthroplasty for acetabular dysplasia: results at 8 to 11 years follow-up," Journal of Arthroplasty, vol.
The etiology of hip disease in these 8 revisions, included five acetabular dysplasia, one avascular necrosis and systemic lupus erythematosus, one multiple epiphyseal dysplasia, and one primary osteoarthritis.
[3] This locus has not been linked to other forms of familial acetabular dysplasia, indicating that BHD is a distinct disorder.
Therefore when the parents seek treatment it is often too late and it then needs major surgical intervention due to adaptive shortening of the extra-articular soft tissues acetabular dysplasia and increasing femoral anteversion.
Acetabular dysplasia and coxa valga occur in approximately 25% of HME patients [5].