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有报道产前超声检查发现胎儿左心室存在孤立的强回声区与键索或/和乳头肌变厚一致代表良性情况。在胎儿心内弥散的或右侧出现强回声少见。为此,作者对25725例妇女在孕12～24周进行产前声像筛选,其中25％孕妇有高危因素。结果44例(0.17％)出现心内强回声区。其中35例在左侧乳头肌/键索部位出现孤立回声。这些胎儿后来随访新生儿期正常。余9例在心脏不同部位出现弥散性回声灶。例1～3在左心内膜区出现弥散性
It has been reported prenatal ultrasound examination found that isolated fetal left ventricular hyperechoic area and the key cable or / and papillary muscle thickening consistent with the representative of the benign condition. Diffuse echo in the fetal heart or right rare. To this end, the author of 25 725 women at 12 to 24 weeks of pregnancy for prenatal screening, of which 25% of pregnant women have high risk factors. Results Forty-four cases (0.17%) had intracardiac echogenicity. 35 of them showed solitary echogenicity on the left papillary muscle / key part. These fetuses were followed up normal newborn period. More than 9 cases of diffuse echo in different parts of the heart echogenic stove. Cases 1 to 3 diffuse in the left endocardial area