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男,31岁。24岁对因右膝痛6个月,X线检查发现右殷骨远端有一巨细胞瘤的典型改变,但肺部未见异常。同月手术冰冻切片证实为一巨细胞瘤。刮除病变并以自体骨填充。术后未放疗。病人出院,术后良好。第一次手术后20个月,常规X线复查发现右股骨远端病变复发,胸片发现左中肺野有一结节明影。第一次手术后21个月重复入院,右股骨远端广泛切除,再造膝关节。病理切片显示为分化良好的巨细胞瘤,
Male, 31 years old. The 24-year-old experienced a typical change in the right infiltrate with a giant cell tumor at the distal knee due to pain in the right knee for 6 months, but no abnormalities in the lungs. In the same month, surgical frozen section confirmed a giant cell tumor. The lesion was scraped and filled with autologous bone. No postoperative radiotherapy. The patient was discharged from the hospital and was well after surgery. Twenty months after the first operation, conventional X-rays showed recurrence of the distal femoral lesions. A chest nodule was found in the left middle lung field. The hospital was admitted to the hospital 21 months after the first operation. The distal part of the right femur was extensively resected and the knee joint was reconstructed. Pathological sections show well-differentiated giant cell tumors,