作者报告了一例以左大腿初发,三次局部复发,最后呈心脏转移的粘液型肪脂肉瘤的治疗经验,并对治疗,予后等问题进行讨论。病例:55岁、男性,以胸背部钝痛求诊。患者于1971年左大腿出现肿块,某医院诊为良性肿瘤而施行单纯摘除术。1974年、1980年局部再发,分别行摘除术,第三次术后局部并用放疗。1981年元月出现胸背钝痛,3月经胸片证实心脏扩大,7月出现左侧胸水而住院。一般检查除左下肺呼吸音低下和左大腿有手术痕外,馀无特殊。血、尿、血清生化检查无异常,血沉47mm/小时,CRP(+)。胸片示心脏扩大、左胸水和两肺尖胸膜肥厚。心电图为窦性心 The authors reported a case of treatment of mucocutaneous sarcoma of the mucous membrane type with erythrocyte sarcoma that developed on the left side of the thigh, with three local recurrences, and finally with cardiac metastases. Case: 55 years old, male, with chest and back dull pain. The patient developed a lump in his left thigh in 1971 and a hospital was diagnosed as a benign tumor with a simple enucleation procedure. Local recurrences were performed in 1974 and 1980, respectively, and enucleation was performed. The third postoperative local radiotherapy was used. In January 1981, a dull thoracic back pain occurred. On March 3, a chest X-ray confirmed the enlargement of the heart. In July, left thoracic fluid appeared and was hospitalized. In addition to the general examination, except for the lower left lung hypopnea and the left thigh with surgical marks, no special sputum. Blood, urine, and serum biochemical tests showed no abnormalities. Erythrocyte sedimentation rate was 47 mm/hr, and CRP (+). Chest radiographs showed enlargement of the heart, left pleural effusion, and hypertrophy of the pleura in both lungs. ECG is sinus heart