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A Male, 57 years old, traffic accident, anteroposterior and lateral radiographs of the left knee showed patellar comminuted fractures preoperatively and B postoperative immediately, C postoperatively at 10 years with calcification developed. D Anteroposterior and lateral radiographs of the left knee postoperatively at the final follow-up. E Satisfactory functional outcome was restored normally at the final follow-up
