Early Prenatal Diagnosis of Conjoined Twins: Case Series
نویسندگان
چکیده
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 points. Although different types can be encountered, the most frequently types are thoracopagus (20%40%), omphalopagus (18%-33%) and parapagus (28%) (3). There is no suspicion that accurate and early diagnosis of fetal malformations will affect the management and perinatal outcomes. In this report, we aimed to present the early prenatal diagnosis of three cases of conjoined twins by 2-dimensional (2D) ultrasound between 9-10 weeks of gestation.
منابع مشابه
Early prenatal diagnosis of thoraco-omphalopagus twins at ten weeks of gestation by ultrasound
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.
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Conjoined twins are one of the anomalies accompanying monozygotic monoamniotic pregnancies with a prevalence of 1 in about 100000 pregnancies and 1 in about 1500 twin pregnancies (1 in about 200 monozygotic twin pregnancies). The most common type is thoracopagus. Prenatal diagnosis is based on sonography and, more accurately, on magnetic resonance imaging. In this paper, two cases of ...
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