An arthrogram is superior than a radiogram of the hip because it helps in all of the following except (in CDH)
|A||Whether manipulative reduction is successful or can be successful|
|B||To what extent the soft tissues in the acetabulum interfere with complete reduction of the dislocation|
|C||To evaluate the vascular anatomy of the upper end of the femur|
|D||Whether the acetabulum and upper end of femur are developing normally during treatment|
To evaluate the vascular anatomy of the upper end of the femur
Because X rays of the hip in an infant or young child cannot yield all the information desired in diagnosing ""or treating the congenital dysplasias of hip, arthrography is helpful in determining a, b, and d.