Fig. 5
From: Trans-sacral screw fixation of posterior pelvic ring injuries: review and expert opinion
Radiographic images of a combined left SI fracture-dislocation and T-shaped acetabular fracture (A). After fracture fixation (B), the posterior pelvic fixation failed (C) necessitating revision with a trans-sacral screw, posterior tension band plate, and anterior ring fixation (D)