Delayed presentation of posterior fracture dislocation of the hip in a child.

A case of delayed presentation of posterior fracture dislocation of the hip in a child is reported. Only four similar adult cases have been described in the English medical literature. This case is even more perplexing than those already reported in thAT AP and lateral X-rays of the affected hip were performed on initial presentation and were normal. The mechanism of such a phenomenon, explanations for failure to detect such an injury and methods of avoiding this complication are presented.