Conclusion:Periosteal flap pedicled with descending branch of LFCA could repair femoral neck fracture,nonunion of middle of distal femur and ischemic necrosis of femoral head.

• 结论：以旋股外侧动脉降支骨膜支为蒂的骨膜瓣，可顺行修复股骨头颈骨折，逆行修复股骨中下段骨不连、股骨头缺血性坏死。