心脏黏液瘤是最常见的原发性心脏良性肿瘤~([1])。病人大多30~60岁。女性发病率约为男性发病率的2倍。心脏各个房、室均可发生黏液瘤,左心房者最为多见,约占75%,右心房者约占15%~20%,不足10%位于心室。作者经治1例无临床症状的巨大右心房石化黏液瘤患者,现报告如下。1临床资料患者女性,64岁,入院前1个月在当地医院体检发现右心房肿物,平素体健。入院体格检查:体温36.8℃, Myxoma is the most common primary cardiac benign tumor ~ ([1]). Most patients 30 to 60 years old. The incidence of women about twice the incidence of men. All rooms in the heart, room can occur myxoma, left atrium were the most common, accounting for about 75%, about 15% to 20% of the right atrium, less than 10% in the ventricle. The author of a case of no clinical symptoms of a huge right atrial petrochemical myxoma patients, are as follows. 1 Clinical data Female patients, 64 years old, 1 month before admission at the local hospital examination found right atrial tumor, usually healthy. Admission physical examination: body temperature 36.8 ℃,