نتایج جستجو برای: prenatal sonography
تعداد نتایج: 44010 فیلتر نتایج به سال:
An atrioventricular septal defect (AVSD) is diagnosed with prenatal sonography using the 4-chamber view (4CV) of fetal heart. Prenatal 2D sonographic imaging normal and AVSD short axis (SAX) (AV) valve views have not been well described. The aim to describe SAX AV valves when an present compared valves. 4CV heart demonstrates no offset due abnormal structure. Complete intermediate has a septum ...
Objective: Conjoined twins are identical twins with congenital anomaly and severe mortality. The more common types include the thoraco-omphalopagus, fused at chest, and thoracopagus type, fused from the upper thorax to lower belly, at the chest. Here we are reporting one case of thoracopagus conjoined twins diagnosed by sonography. A 23-year-old woman with gravida 1 admitted to our clinic was d...
etal magnetic resonance imaging (MRI) is being used increasingly for confirmation and further characterization of brain abnormalities detected on routine prenatal sonography. It offers improved contrast resolution and direct visualization of both sides of the developing brain and is not susceptible to the limitations of sonography such as fetal position and amniotic fluid volume. With fetal MRI...
Three-dimensional sonography (3D US) provides completely new modalities of sonographic scanning including coronar section imaging, three-dimensional reconstruction, volumetric calculations and angio-mode. Improved visualization rate, depiction of spatial relationship, "sculpture like" plastic imaging and volume measurement are the main benefits of new technology. Acceleration in scanning and re...
Holoprosencephaly is a rare intracranial abnormality. The incidence of holoprsencephaly is between 0.56-0.63 of 10,000 live-born infants10. It has classified into three degrees, alobar, semilobar and lobar. In this case report we are introducing a case of Holoprosencephaly, in 13 weeks of pregnancy which was twin. We could identified this abnormality and the reduction was done in the appropriat...
BACKGROUND AND PURPOSE Although sonography is the primary imaging technique for evaluating the developing fetus, significant limitations exist in the sonographic prenatal diagnosis of many brain disorders. Fast MR imaging is increasingly being used to determine the underlying cause of nonspecific fetal CNS abnormalities detected sonographically and to confirm or provide further support for such...
solated ventricular noncompaction (IVNC), also known as spongy ventricular myocardium, is a rare cardiomyopathy characterized by numerous ventricular trabeculations and deep intertrabecular recesses, thought to be due to an arrest in cardiac embryogenesis. The clinical spectrum varies from asymptomatic patients to cardiac failure with neonatal death. Prenatal diagnosis has been reported sporadi...
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