First case of forearm crisscross injury in children: A case report

Figure 1 Preoperative imaging examination showing that the distal radius and ulna were fractured. A: Anteroposterior X-ray of the wrist showing epiphysis injury of the distal radius with the distal fracture displaced to the radial side; B: Lateral X-ray of the wrist showing that the distal fracture was displaced to the back side; C: Anteroposterior X-ray of the elbow showing that the radial head was dislocated laterally; D: Lateral X-ray of the elbow showing that the radial head was dislocated anteriorly; E: Three-dimensional computed tomography of the forearm showing radial head dislocation with distal radial epiphysis injury; F: The relative position of the radius and ulna is crisscross.

Figure 2 Postoperative imaging examination. The forearm returned to its normal anatomical position and internal fixation functioned well. A: Postoperative anteroposterior X-ray showing that the fracture was reduced and the humeroradial joint returned to normal; B: Postoperative lateral X-ray showing that the fracture was reduced and the humeroradial joint returned to normal.

Figure 3 The fracture healed smoothly at postoperative week 6. A: Anteroposterior X-ray examination at 6 wk following removal of the internal fixation; B: Lateral X-ray examination at 6 wk following removal of the internal fixation.

Figure 4 The patient’s forearm function returned to normal without complaints of pain or limited range of motion at postoperative week 14. A: Stretching movement of the wrist; B: External rotation of the forearm; C: Stretching movement of the elbow; D: Buckling movement of the wrist; E: Internal rotation of the forearm; F: Buckling movement of the elbow.