Sacral fracture CT: Zone three injury

The CT images above show a transverse sacral fracture (zone III injury) sustained by a 65-year-old woman who was hit by the car while crossing the street. Axial (A), coronal reformatted (B), sagittal reformatted (C), and 3D reconstructed (D) CT images show an H-type sacral fracture (arrows). Note the extension of the fracture line through the spinal canal (dashed arrows).