Figure 2From: Progressive acetabular dysplasia in a boy with mucopolysaccharoidosis type IV A (Morquio syndrome): a case reportAnteroposterior pelvis radiograph showed irregular ossification of the epiphyses. Defective ossification of the femoral heads (significant flattening of the capital femoral epiphyses associated with widened femoral necks, dysplastic acetabulae and coxa valga. At this age (six years) a varus derotation osteotomy and a Salter osteotomy was performed.Back to article page