since becoming aware of this anatomical variation and its possible consequences , the authors now carry out routine preoperative a.p . radiographs of the contralateral femur and if lateralization of the trochanteric mass is observed , the nail is not inserted at the apex of the greater trochanter but at the base of the femoral neck in order to restore alignment of the nail with the femoral diaphysis .
C0223865
greater trochanter
C0015811
femoral