Fig. 3

Case 3, a 11-y old female patient with Ewing sarcoma in the diaphysis of left humerus (S5). The preoperative bone strength score is 9. a, b The preoperative X-ray showed that osteogenic destruction (a) before chemotherapy and obvious calcification (b) after chemotherapy. c The preoperative MRI showed that abnormal intramedullary high signal with clear borders on T2WI. d, e This patient underwent resection of the tumor segment and replantation of the alcohol-inactivated autograft followed by plate internal fixation. f, g 5 years after operation,the X-ray indicated that internal fixation was in excellent position with no local tumor recurrence. h, i Postoperative shoulder joint function returned to normal range