Ultraschall in der Medizin (Stuttgart, Germany : 1980) · 1995
[The exencephaly-anencephaly sequence. Ultrasound diagnosis in early pregnancy].
СтатьяНазвание и аннотация: Перевод в очереди
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Beinder E, Grüner C, Erhardt I, Mauch E, Begon S
Аннотация
AIM: In animal studies exencephaly is well described as a precursor of anencephaly. We have evidence that also in the human fetus the transition from exencephaly to anencephaly is possible.
METHOD: We diagnosed either exencephaly or anencephaly by high-frequency vaginal ultrasound in 14 human fetuses at gestational ages varying between 9 + 4 and 22 + 3 weeks.
RESULTS: In the first trimester exencephaly was the predominant finding, while in the second trimester the classic appearance of anencephaly was seen more often. In one fetus with exencephaly diagnosed at a gestational age of 12 + 2 weeks, where the parents decided not to intervene, the transition to anencephaly was documented by serial ultrasound examinations.
CONCLUSIONS: Our findings support an exencephaly-anencephaly sequence also in humans. The cephalic changes resulting in the classic anencephalic appearance are of importance for the first trimester diagnosis with high resolution vaginal probe ultrasound.
METHOD: We diagnosed either exencephaly or anencephaly by high-frequency vaginal ultrasound in 14 human fetuses at gestational ages varying between 9 + 4 and 22 + 3 weeks.
RESULTS: In the first trimester exencephaly was the predominant finding, while in the second trimester the classic appearance of anencephaly was seen more often. In one fetus with exencephaly diagnosed at a gestational age of 12 + 2 weeks, where the parents decided not to intervene, the transition to anencephaly was documented by serial ultrasound examinations.
CONCLUSIONS: Our findings support an exencephaly-anencephaly sequence also in humans. The cephalic changes resulting in the classic anencephalic appearance are of importance for the first trimester diagnosis with high resolution vaginal probe ultrasound.