Figure 2.

Union of implanted bone (the arrows show the involved bone). A. Primary union of an intercalary devitalized bone at 18 months after surgery in a 14 years old male osteosarcoma patient at the proximal tibia. B. Primary union of an intercalary allograft bone at 60 months after surgery in a 32 years old female chondrosarcoma patient at proximal humerus. C. Delayed union of an intercalary devitalized bone at 72 months after surgery in an 8 years old female osteosarcoma patient at distal femur. D. Primary healing of an intercalary allograft bone at 48 months after surgery in a 14 years old male osteosarcoma patient at distal femur. E. Malunion of an intercalary allograft bone at 120 months after surgery in a 17 years old male osteosarcoma patient at the proximal tibia. F. Malunion of an osteoarticular devitalized bone at 36 months after surgery in a 9 years old male osteosarcoma patient at the proximal tibia. G. Primary union with shift fracture of an intercalary devitalized bone at 120 months after surgery in a 14 years old female osteosarcoma patient after fixation has been taken out at proximal tibia. H. Bone union after infection and debridement with fixation taken out of an intercalary devitalized bone at 48 months after surgery in a 17 years old female osteosarcoma patient at the proximal tibia.