![]() Similarly, the following cardiac structures were also evaluated: four-chamber view, outflow tracts (aorta and pulmonary artery), and the three vessels in the upper mediastinum. Volumes were analyzed offline using 3DXI PC Viewer software and the following brain structures were assessed: both lateral ventricles, third ventricle, cavum septum pellucidum, cerebellum and cisterna magna. A mechanical broadband transabdominal transducer was used to obtain volumes from the fetal brain ( n = 20) and the fetal heart ( n = 20) using a 65° sweep. Ultrasonographic examination was performed with a high-resolution 3D ultrasound machine (Accuvix XQ, Medison). ![]() ![]() Twenty women who presented for a detailed second-trimester scan agreed to participate in this study, all of whom had normal infants at birth. The aim of this study was to explore the value of 3DXI in the evaluation of these structures in the mid-trimester. The fetal brain and heart are routinely examined using sequential planes during the second-trimester ultrasound scan.
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