Fig. 13

Radiographs of patient 7. Cervical lateral spine at 2 4/12 years: Cervical kyphosis of ~70° with dorsal cervical listhesis of vertebral bodies C4/C5 and C5/C6 (black arrow), dysplasia of vertebral body C6 (a). Cervical myelogram at 3 years: cord compression and myelopathy at C5/C6 (white arrow) (b). Radiograph of the hip and legs AP: note bilateral hip dysplasia with flat acetabulum, valgus position of femoral necks, luxation of both hip joints with cranial position of the femoral head and knee luxation on both sides (c). Radiograph of the hip AP: corrected position after operative hip replacement by acetabular reconstruction and femoral osteotomy (d). AP: anteroposterior