Fig. 3

A male patient, 31 years old, presented with a posterior wall fracture of the right acetabulum associated with marginal impaction. A, preoperative plain radiographs and CT scans showing fracture of the posterior wall, marginal impaction injury (black arrow), and retained intraarticular loose fragment (red arrow). B, post-operative plain radiographs and CT scans showing fracture anatomical reduction and clearance of the hip joint space