Methods Thirty seven cases were treated with cross reticular bone grass used in SAA, including developmental dysplasia of the hip (DDH) and coax plana caused by Legg-Perthes disease.

• 方法 对发育性髋关节发育不良、大龄髋关节半脱位、Legg Perthes病扁平髋的患者 37例采用交叉网状植骨方式槽状髋臼扩大术治疗。