Cause of Coxa vera ?

Ans. is 'd' i.e., All of the above Coxa vera Coxa vera refers to reduced angle between the neck and shaft of the femur. Coxa vera may be congenital or acquired. 1. Congenital (developmental / Infantile) coxa vera This is coxa vara resulting from some unknown growth anomaly at the upper femoral epiphysis. It is noticed as a painless limp in a child who has just staed walking. In severe cases, shoening of the leg may be obvious. On examination, abduction and internal rotation of the hip are limited and the leg is sho. X - rays will show a reduction in neck - shaft angle. The epiphyseal plate may be too veical. There may be a separate triangle of bone in the inferior poion of the metaphysis, called Fairbank's triangle. Treatment is by a subtrochanteric corrective osteotomy. 2. Aquired coxa - vera Aquired coxa-vera is seen in :- SCFE (slipped capital femoral epiphysis) Sequelae of avascular necrosis of femoral epiphysis Legg-Calve Pehe's disease Femoral neck fracture Traumatic hip dislocation Post reduction of CDH Septic necrosis Associated with pathological bone disorders Osteogenesis imperfecta Fibrous dysplasia Osteopetrosis