心脏原发性肿瘤中粘液瘤较常见，担粘液肉瘤极为罕见，我院曾遇1例，现报告如下。患者，女，26岁。头晕，胸闷，气短，乏力伴间断咳血回年。1991年4月19日以肺栓塞收住我院。2年前，先后出现双下肢水肿，曾在某医院按下肢静脉血栓治疗好转。查体：心前区无隆起，心界不大，心失 Myxoma is more common in primary cardiac tumors. Myxomatous sarcoma is extremely rare. Our hospital encountered 1 case. The report is as follows. The patient, female, is 26 years old. Dizziness, chest tightness, shortness of breath, fatigue, intermittent hemoptysis and back to the year. On April 19, 1991, she accepted our hospital with pulmonary embolism. Two years ago, there were successive edemas of lower extremities, and the treatment of limb thrombosis was improved in a hospital. Physical examination: no uplift in the precordial area, little heart and heart loss