The other 23 cases were treated by hollow pressure screws and bone grafts with muscular pedicles of both musculus tensor fasciae latae and musculus sartorius.

• 双肌蒂组23例采用可折螺钉或空心加压螺钉固定加阔筋膜张肌和缝匠肌双肌蒂骨瓣移植。