Fig. 1

A case with surgical site infection following trans-arterial embolization and osteosynthesis for pelvic ring injury. a Computed tomography revealed an AO/OTA B3.1 pelvic ring injury. b Bilateral internal iliac artery trans-arterial embolization was performed using gelfoam (right side) and metal coil (left side). c Radiographic findings after the osteosynthesis. d Significant bilateral gluteus maximus necrosis was observed at 1 month after the trans-arterial embolization. e Final appearance after treatment for the soft-tissue defect