患者男,67岁,于1987年初骑车不慎挫伤右前胸壁,半年后发现此处皮肤隆起,皮下有约3cm×3cm大小无痛性肿块,可活动。1988年2月行右前胸壁包块切除术,术后病理报告为“隆突性皮肤纤维肉瘤”(DFSP)。随即行局部放疗共6000Gy,其后局部未再复发。但于1990年5月初体检摄X线胸片发现右上肺及左下肺各有一圆形块影,诊断为DFSP肺转移。1990年5月31日行右上肺肿瘤冷冻切除术,术中切除大小不等之肿瘤共7个,术后病理报告为DFSP右肺转移。同年7月4日行左下肺肿瘤冷冻切除术,术中共切除肿瘤3个,术后病理诊断同前。术后曾用中药及干扰素治疗。此后大约每隔半年左右两肺即交替发生转移瘤,均在发现后及时行开胸肺转移瘤切除术。截止1997年7月共行开胸转移瘤切除术14次(左右侧开胸各7次)。患者还因出现双下肢无力、麻木、大小便潴留等症状,经MRI检查诊断为胸椎椎管内硬膜外肿瘤。于1996年9月及1997年6月两次行 The male patient, age 67, rode his right anterior chest wall by bicycle in early 1987. Six months later, he found the skin uplift. There was an about 3 cm × 3 cm subcutaneous painless lump. February 1988 right anterior chest wall mass resection, postoperative pathology report as “dermatofibrosarcoma” (DFSP). Then a total of 6,000 Gy local radiotherapy, followed by local no recurrence. However, at the beginning of May 1990, a chest X-ray examination of the upper right and left lower lungs revealed a circular patch, which was diagnosed as DFSP lung metastasis. On May 31, 1990, the right upper lung tumor was undergone cryosurgical resection. Seven resected tumors of different sizes were removed during the operation. The postoperative pathology was reported as right lung metastases of DFSP. On the 4th of July of the same year, the left lower lung tumor was undergone cryo-resection. Three tumors were removed during operation, and the pathological diagnosis was the same as before. After treatment with traditional Chinese medicine and interferon. After about six months or so since then alternately two lung metastases, were found in a timely manner to open chest CT metastasis. As of July 1997, a total of thoracotomy for thyroidectomy 14 times (left and right chest open 7 times each). Patients also appear due to weakness of both lower extremities, numbness, retention of urine and other symptoms, the diagnosis of thoracic spinal canal epidural tumor by MRI. In September 1996 and June 1997 twice