Fig. 4

Postoperative imaging data (a-c). The fenestration for the focus was found to be reasonable in the postoperative reconstructed, axial, and sagittal CT, and patella-reconstructed CT (d-f). X-rays and CT scans showed that the grafted bone had been partly incorporated with the host bone 2 months after the operation (g-i). Two months after the operation, the range of motion of the knee joint was normal