A hyperechoic mass with a stem connecting to the wall of ventricle or atrium was found in ventricle or atrium.The mass moved up and down when the heart systoled or...

• 其中左房好发,表现为相应房室腔内致密团状回声,有蒂与房室壁相连,随心脏舒缩上下移动,并有心脏血流动力学异常。