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. 2024 Mar 14;7(2 Suppl):e320. doi: 10.1097/OI9.0000000000000320

Figure 2.

Figure 2.

A and B, Preoperative radiographs of a 73-year-old woman with a distal femur nonunion 1 year after locking plate fixation of a periprosthetic distal femur fracture. Preoperative workup revealed the patient was a smoker with low vitamin D. Vitamin D supplementation and smoking cessation therapy were initiated. C and D, Radiographs 1 year postrevision fixation with an intramedullary nail and application of bone morphogenic protein-2 (BMP-2, Infuse, Medtronic, Memphis, TN) demonstrating solid union. This represents an off-label indication for the use of BMP-2.