Hip Dysplasia (Developmental Dysplasia of the Hip-DDH, Congential Dysplasia of the Hip-CDH) The normal hip (see figure) is a ball and socket joint with the femoral head (ball) well-seated and stable within the acetabulum (socket). Hip dysplasia includes a group of disorders that have deformities of the joint. Acetabular Dysplasia Acetabular dysplasia is a condition defined by inadequate development of the acetabulum, which is shallow and “dish shaped” rather than “cup shaped”. The condition is most commonly associated with a subtle abnormality of the hip joint at birth (congenital hip dislocation) and usually remains undetected for many years.
Frontal The 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. hip dysplasia is a disorder of abnormal development resulting in a shallow acetabulum with lack of anterior and lateral coverage treatment typically involves periacetabular osteotomies (PAO) for those with concentrically reduced hips with congruous joint space and THA for those presenting with end stage osteoarthritis (OA).
Adults with hip dysplasia have a hip socket that is too shallow to support the ball of the hip. The ball is called the femoral head and the socket is called the acetabulum. Some adults have leftover problems from childhood hip dysplasia but most adults never knew they had a problem until their hip started hurting. Acetabular dysplasia is a form of developmental dysplasia of the hip (DDH) often referred to in the adolescent and adult population 5.
n the pubic symphysis and the top of the iliac crests. Frequent characteristics of developmental dysplasia that may be seen on an anteroposterior pelvic radiograph are a hypoplastic acetabular weight-bearing zone, steeply sloped acetabular roof, lateralized center of rotation, acetabular anteversion or retroversion in the presence of a hypovolemic acetabulum, and . Aug 06, · A standing pelvic radiograph is the most useful investigation to diagnose adult acetabular dysplasia. (Figure A) Radiographic measurements – 3 useful methods may be employed (4): Shenton’s line. (Fig B) Acetabular index of the weight-bearing zone (Tonnis). Angle is formed between a line parallel to weight-bearing dome and line parallel to.
Acetabular dysplasia, or hip dysplasia, is a disorder that occurs when the acetabulum (hip socket) is shallow and doesn’t provide sufficient coverage . Reconstruction of the hypoplastic acetabulum in cementless arthroplasty of the hip. We describe a new operative technique for reconstruction of deficient acetabular bone which allows the implantation of the socket of a total hip replacement at the level of the true acetabulum. Acetabulum/surgery; Adult; Bone Transplantation/methods Cited by: 9.