17- Coxa vara includes all forms of decrease of the femoral neck shaft angle to less than 120-135°,Patients with congenital coxa vara  usually present with gait abnormalities. In most patients, the gait abnormality is progressive and in Unilateral involvement with an associated relative limb-length discrepancy and Trendelenburg limp.

We treat these cases by subtrochantric vlgus osteotomy.