两岁小儿猝死。尸检发现一个大而坚硬的白色肿瘤占了左心室的大部分。是横纹肌瘤。这种心脏原发瘤罕见。

　　This two year old child died suddenly. At autopsy, a large firm, white tumor mass was found filling much of the left ventricle. This is a cardiac rhabdomyoma. Such primary tumors of the heart are rare.