The investigation of eight cases of this special type of coxa vara treated by ope rative transposition of the greater trochanter which was performed at an age between four and nine years, was made.
Positive Trendelenburg sign caused by insufficiency of the abductor of the hip was improved successfully after the operation.
In unilateral cases of the deformity, limping gait caused by leg length discrepancy due to shortend femoral neck was not improved.
Growth influence for the upper end of the femur after the operation was discussed.
