Fig. 5

Giant cell granuloma of distal prosthesis was observed during follow-up. a–d Four consecutive X-ray reexaminations revealed osteolytic lesions of the distal humerus with slight enlargement. e Postoperative X-rays of lesion resection and fixation of allograft bone block with bone cerclage. f The lesion was excised, then an allograft of appropriate size was cut to repair the bone defect, and finally, the allograft was fixed with a bone cerclage. g Postoperative shoulder joint motion was satisfactory, especially shoulder abduction function