Twin reversed arterial perfusion sequence,a severe and unique complication of monochorionic multiple pregnancy,is characterized by vascular anastomosis and abnormal or absent cardiac development in the twins.This arti...Twin reversed arterial perfusion sequence,a severe and unique complication of monochorionic multiple pregnancy,is characterized by vascular anastomosis and abnormal or absent cardiac development in the twins.This article reviewed its pathogenesis,prenatal ultrasound diagnosis,and management.The pump twin’s chances for survival can be maximized by proper management.The optimal timing of the interventions remains a debate,although the latest studies encourage early intervention,i.e.,in the first trimester.The most preferred approach is to interrupt the vascular supply to the acardius,such as through ultrasound-guided laser coagulation and radiofrequency ablation of the intrafetal vessels.展开更多
During the past decades,early fetal ultrasound and diagnosis have increasingly gained attention in pregnancy care with the development of high-frequency transducers,which make it possible to obtain detailed images of ...During the past decades,early fetal ultrasound and diagnosis have increasingly gained attention in pregnancy care with the development of high-frequency transducers,which make it possible to obtain detailed images of the early fetus and its organs,and thus move part of the anatomy and anomaly scan from the second to the first-trimester.By transabdominal sonography or transvaginal sonography,or a combination of both approaches,it is now able to diagnose a wide variety of fetal abnormalities at 11-13^(+6)weeks.展开更多
To editor:Although rare,hepatoblastoma is the most common hepatic malignancy in newborns.1 Its etiology is unclear.The definitive diagnosis relied on the histopathology examination.Growing evidence suggests hepatoblas...To editor:Although rare,hepatoblastoma is the most common hepatic malignancy in newborns.1 Its etiology is unclear.The definitive diagnosis relied on the histopathology examination.Growing evidence suggests hepatoblastoma may arise from fetal life.1,2 Prenatal diagnosis may help parents to discuss with the neonatologist and pediatric surgeons to plan for the postnatal management.To date,only a few cases have been detected in utero.展开更多
文摘Twin reversed arterial perfusion sequence,a severe and unique complication of monochorionic multiple pregnancy,is characterized by vascular anastomosis and abnormal or absent cardiac development in the twins.This article reviewed its pathogenesis,prenatal ultrasound diagnosis,and management.The pump twin’s chances for survival can be maximized by proper management.The optimal timing of the interventions remains a debate,although the latest studies encourage early intervention,i.e.,in the first trimester.The most preferred approach is to interrupt the vascular supply to the acardius,such as through ultrasound-guided laser coagulation and radiofrequency ablation of the intrafetal vessels.
文摘During the past decades,early fetal ultrasound and diagnosis have increasingly gained attention in pregnancy care with the development of high-frequency transducers,which make it possible to obtain detailed images of the early fetus and its organs,and thus move part of the anatomy and anomaly scan from the second to the first-trimester.By transabdominal sonography or transvaginal sonography,or a combination of both approaches,it is now able to diagnose a wide variety of fetal abnormalities at 11-13^(+6)weeks.
文摘To editor:Although rare,hepatoblastoma is the most common hepatic malignancy in newborns.1 Its etiology is unclear.The definitive diagnosis relied on the histopathology examination.Growing evidence suggests hepatoblastoma may arise from fetal life.1,2 Prenatal diagnosis may help parents to discuss with the neonatologist and pediatric surgeons to plan for the postnatal management.To date,only a few cases have been detected in utero.
