Three-dimensional printing in paediatric orthopaedic surgery

Figure 4 Preoperative planning and intraoperative use of three-dimensional-printing for a calcaneonaviculair coalition in a 14-year-old girl. A preoperative magnetic resonane imaging scan was used to manufacture a three-dimensional (3D)-printed osteotomy guide for removal of a calcaneonavicular coalition. A: Preoperative 3D-planning; B: Intraoperative use of the manufactured 3D-printed guide and coalition resection; C: Intraoperative fluoroscopy shows the position of K-wires to hold the 3D-printed guide; D: Intraoperative fluoroscopy shows the resected bone.