Sonography of fetal holoprosencephaly: a guide to recognize the lesser varieties.
The journal of maternal-fetal & neonatal medicine : the official journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians（2022）
摘要
The alobar forms are detectable since the first trimester, with a peculiar single ventricle and extremely frequent extracerebral and karyotype abnormalities. The semilobar and lobar forms are more challenging and the diagnosis is easily missed in a mid-trimester screening exam unless a careful evaluation of both and frontal horns as well is conducted.
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关键词
Holoprosencephaly,central nervous system,ultrasound
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