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Abstract
Conjoined twinning is a rare abnormality and cephalopagus is a very rare form of conjoined twins. We report a case of cephalopagus conjoined twins with encephalocele and omphalocele which diagnosed by ultrasonography and ultrafast magnetic resonance (MR) imaging at 24 weeks of the gestation. Ultrafast MR imaging can provide image quality superior to two dimensional ultrasonograpy and should be considered an adjunct to ultrasound for antenatal characterization of some anomalies. To the best of our knowledge, this is the first case of cephalopagus conjoined twins with encephalocele and omphalocele which diagnosed by ultrasound and ultrafast MR imaging.