Figure 7. (a) Oblique plain radiograph showing posterior column fracture of the acetabulum with a large separated fragment. (b) Sagittal multislice CT (MSCT) reconstruction of the acetabulum showing the separated posterior column fragment. (c) Axial MSCT showing acetabular fractures. (d) Radiolucent three-dimensional (3D) image of the pelvis in the sagittal plane showing fracture of the posterior column with a large separated fragment. (e) 3D image of the pelvis showing posterior column fracture.