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In acetabular dysplasia, the acetabulum (socket) is too shallow or deformed. The center-edge angle is measured as described by Wiberg. [6] Two forms of femoral dysplasia are coxa vara, in which the femur head grows at too narrow an angle to the shaft, and coxa valga, in which the angle is too wide.
Coxa vara is a deformity of the hip, whereby the angle between the head and the shaft of the femur is reduced to less than 120 degrees. This results in the leg being shortened and the development of a limp .
Coxa valga is a deformity of the hip where the angle formed between the head and neck of the femur and its shaft is increased, usually above 135 degrees.. The deformity may develop in children with neuromuscular disorders (i.e. cerebral palsy, spinal dysraphism, poliomyelitis), skeletal dysplasias, and juvenile idiopathic arthritis.
In vertebrate anatomy, the hip, or coxa [1] (pl.: coxae) in medical terminology, refers to either an anatomical region or a joint on the outer (lateral) side of the pelvis.. The hip region is located lateral and anterior to the gluteal region, inferior to the iliac crest, and lateral to the obturator foramen, with muscle tendons and soft tissues overlying the greater trochanter of the femur. [2]
Reimer's migration index (MI), also called the femoral extrusion index, [3] is calculated if hip dysplasia is detected. It can be used to indicate hip dislocation . It is the horizontal distance (parallel to the Hilgenreiner Line ) between the Perkin line and the lateral border of the ossification center of the femoral head, divided by the ...
Protrusio acetabuli is an uncommon defect of the acetabulum, the socket that receives the femoral head to make the hip joint. The hip bone of the pelvic bone/girdle is composed of three bones, the ilium, the ischium and the pubis. In protrusio deformity, there is medial displacement of the femoral head in that the medial aspect of the femoral ...
The femoral neck (also femur neck or ... Coxa vara is a deformity of the hip, whereby the angle between the head and the shaft of the femur is reduced to less than ...
Coxa vara (reduced neck shaft angle), broad femoral necks, short femurs and humeri, and bullet-shaped vertebrae are noticeable radiographic features. Additionally, the presence of metaphyseal broadening, cupping and dense line of ossification about the knee can simulate rachitic changes.