Fig. 9
From: Bernese periacetabular osteotomy (PAO): from its local inception to its worldwide adoption
Acetabular dysplasia, multiple exostoses, and subluxation multiple exostoses near both hips with acetabular dysplasia in a very gracile 21-year-old female. a Pain and discomfort of the left hip during subluxation, palpable with rotation in full extension. Lateral view (right) showing the causative exostosis at the posterior neck. b Postoperative result after surgical dislocation, femoral neck varus osteotomy, and removal of the exostosis through the neck osteotomy, followed by PAO. c The 10-year-result. Removal of the femoral screws for local pain soon after surgery. Both hips are pain-free