Computer Navigation-Aided Excision of Proximal Femoral Osteochondroma: Surgical Technique

Figure 1

Preoperative planning and intraoperative pictures of patient 6. (a) Preoperative AP pelvic radiographs. (b) Computer screenshot during intraoperative navigation depicting axial CT image, coronal, and sagittal reconstructions. Preoperative plan for osteotomy marked in magenta. The green line depicts intraoperative position of navigation stylus. The yellow circles depict the pre-233 operative plan for resection margin. (c) Exposure via a posterolateral approach. (d) Osteotomy plane marked using a stylus. (e) Femoral neck following tumor resection.

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