Fig. 10
From: Bernese periacetabular osteotomy (PAO): from its local inception to its worldwide adoption
Posttraumatic dysplasia in a 19-year-old male. a Typical posttraumatic dysplasia of the right hip after a car accident at age 3. Large acetabular rim fragment. Laborious execution of the osteotomy due to the thick supra- and retroacetabular bone. Screw fixation of the large rim fragment. PAO with maximal possible medial displacement of the acetabular fragment. b Radiological result after 2 years with healed fracture and osteotomies