Mubarak et al. one-stage correction of spastic dislocated hip. Osteotomy stops several millimeters from triradiate cartilage and is hinged open laterally to correct dysplasia. A, Tricortical segment of iliac wing is harvested for bone graft. B, Trapezoidal segments are fashioned to fit into osteotomy site. C and D, Three trapezoidal segments of tricortical bone graft are impacted into place to hold osteotomy site open. Elasticity of intact medial cortex holds bone grafts in place; fixation is not required. SEE TECHNIQUE 33.4.