Page 66 - SONO 260 The Fetal Head and Brain
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FETAL INTRACRANIAL VASCULAR ANOMALIES
¢The vein of Galen aneurysm is an arteriovenous malformation that occurs within the fetal brain.
The sonographic findings of a vein of Galen aneurysm is that of a large, anechoic mass within the midline of the cranium that when interrogated with color and pulsed Doppler fills with turbulent venous and arterial flow
The fetus will also have signs hydrops and cardiomegaly.
Newborns with this condition are prone to suffer from congestive heart failure in the postnatal period.