Crotty T B, Edwards W D, Oh J K, Rodeheffer R J
Division of Pathology, Mayo Clinic, Rochester, Minnesota 55905.
Clin Cardiol. 1991 Mar;14(3):262-6. doi: 10.1002/clc.4960140316.
We report the eighth example of a cardiac valvular hamartoma (five mitral, three tricuspid). An intracavitary right atrial mass was present in a 76-year-old man and was characterized echocardiographically by a mobile cystic structure involving the septal tricuspid leaflet. Microscopically, the affected leaflet was comprised predominantly of mature adipose tissue. Formation of a valvular windsock in this case was attributed to the chronic effect of right ventricular pressure on tissue that was weaker than a normal leaflet. Valvular hamartomas should be included in the differential diagnosis of lesions that produce prolapsing, cystic, or windsock malformations of atrioventricular valves.
我们报告了第八例心脏瓣膜错构瘤（五例二尖瓣，三例三尖瓣）。一名76岁男性患者右心房内有一腔内肿物，经超声心动图检查其特征为一个累及三尖瓣隔叶的活动囊性结构。显微镜下，受累瓣膜叶主要由成熟脂肪组织构成。本例中瓣膜风袋样结构的形成归因于右心室压力对弱于正常瓣膜叶的组织的慢性影响。瓣膜错构瘤应纳入房室瓣脱垂、囊性或风袋样畸形病变的鉴别诊断。
