Fig. 5

A 32-year-old male patient treated with the prone–supine sequence. a Preoperative AP X-ray showing significant vertical displacement (4.1 cm) of the right hemipelvis. b, c Three-dimensional CT showing separation of the anterior pelvic ring at the pubic symphysis and malunion of the posterior pelvic ring. d–f Postoperative AP X-ray and 3D-CT showing that a residual vertical displacement of 0.5 cm