Department of Obstetrics and Gynecology, David Geffen School of Medicine, University of California, Los Angeles, CA 90095, USA.
J Ultrasound Med. 2011 Dec;30(12):1739-43. doi: 10.7863/jum.2011.30.12.1739.
To determine the sonographic features of body stalk anomaly in the first trimester using 2-dimensional (2D) and 3-dimensional (3D) sonography, we conducted a retrospective analysis of all nuchal translucency sonographic examinations performed between January 1, 2006, and January 1, 2010, at our institution. From a total of 6952 nuchal translucency sonographic examinations, 4 cases of body stalk anomaly were identified. All cases were characterized by an absent umbilical cord and a large ventral wall defect with herniation of the abdominal contents into the extraembryonic coelom. Associated features included kyphoscoliosis, limb defects, and enlarged nuchal translucency measurements. Three-dimensional sonography was a useful adjunct to 2D techniques in determining the precise relationship of fetal structures to the amniotic cavity. Our case series emphasizes the importance of a thorough anatomic survey at the time of nuchal translucency screening and the value of 3D sonography in the delineation of first-trimester anomalies.
为了使用二维（2D）和三维（3D）超声确定胎儿体干异常的超声特征，我们对 2006 年 1 月 1 日至 2010 年 1 月 1 日期间在我院进行的所有颈项透明层超声检查进行了回顾性分析。在总共 6952 例颈项透明层超声检查中，发现了 4 例胎儿体干异常。所有病例均表现为脐带缺失和大的腹侧壁缺损，腹部内容物疝入胚外腔。相关特征包括脊柱后凸、四肢畸形和颈项透明层测量值增大。三维超声是二维技术的有用补充，可确定胎儿结构与羊膜腔的确切关系。我们的病例系列强调了在颈项透明层筛查时进行全面解剖学检查的重要性，以及三维超声在描绘早孕期异常方面的价值。
