Fig. 3
From: Spinopelvic dissociation: extended definition, physical examination, classification, and therapy
Case 6. A 46-year-old man who was injured from compression underwent S1 sacroiliac screw and S2 transiliac–transsacral screw fixation for a 301SPD type IIIa fracture. A Preoperative X-ray shows bilateral sacroiliac joint injury. B Preoperative CT scan cross-sectional image shows displacement of fracture. C The X-ray image shows that the fracture was fixed satisfactorily