Early prenatal diagnosis of thoraco-omphalopagus twins at ten weeks of gestation by ultrasound
نویسندگان
چکیده
Early prenatal diagnosis of conjoined twins, an extreme form of monozygotic twinning, is very important for the further management and counselling of parents because they are associated with high perinatal mortality. We present a case of thoraco-omphalopagus twins diagnosed at ten weeks and four days of gestation by two-dimensional Doppler ultrasound, which was then terminated.
منابع مشابه
Thoracopagus conjoined twins diagnosed by sonography
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...
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Conjoined twins are described by the conjoint trunk region as a result of defective monozygotic twinning (1). The prevalance ranges from 1 in 50 000 to 1 in 100 000 births in the world. Conjoined twins are incidental and very rarely, uncorrelated with heredity, maternal age and parity (2). Conjoined twins are cathegorized by the location of fusion and are always connected at identical anatomic ...
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Two pairs of omphalopagus twins were encountered at the Polish Mother's Health Institution in Lodz, Poland during the past 15 years. In the first set the prenatal diagnosis was not established and the delivery of the twins in a regional hospital was a complete surprise. Both babies died. In the second case the conjoined twins were diagnosed prenatally, surgical separation was successful, and bo...
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This case report presents the prenatal diagnosis of conjoined twins at 7 weeks and 6 days' gestation according to the last menstrual period and 6 weeks and 4 days' gestation according to crown-rump length in a 32-year-old Turkish woman, using two-dimensional Doppler ultrasound. The twins were fused to each other at the thoracic region (thoracopagus). In the light of previous reports of conjoine...
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The aetiology of conjoined twins is unknown with no established risk factors. The pathogenesis is also uncertain but if cell differentiation takes place after the 14th day of embryonic development, incomplete cleavage will result in the formation of conjoined twins. A system of classification established by St Hiliaire in 1832 is still used today and is based on which structures are fused. The ...
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