Figure 4.

Fixation broken in different biological reconstruction methods (the arrows show the broken place). A. Broken screws with nonunion happened in an intercalary devitalized bone at 20 months after surgery in a 16 years old female osteosarcoma patient at proximal humerus. B. The broken plate was observed in an osteoarticular devitalized bone at 8 months after surgery in a 7 years old female osteosarcoma patient at distal femur. C. Broken screws with nonunion happened in an intercalary allograft bone at 36 months after surgery in a 21 years old female osteosarcoma patient at proximal humerus. D. The broken plate was observed in an intercalary devitalized bone at 15 months after surgery in an 8 years old female osteosarcoma patient at distal femur caused by trauma.