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Images in Neurology
October 2006

Vein of Galen Aneurysmal Malformation

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Copyright 2006 American Medical Association. All Rights Reserved. Applicable FARS/DFARS Restrictions Apply to Government Use.2006

Arch Neurol. 2006;63(10):1500-1501. doi:10.1001/archneur.63.10.1500

A 1-month-old neonate presented with mild congestive heart failure and increased head circumference. Magnetic resonance imaging of the brain was performed. Axial T2-weighted magnetic resonance images (Figure 1) showed a large flow void behind the region of the third ventricle with few tortuous vessels draining into its lateral walls. Magnetic resonance venography (Figure 2) demonstrated the enlarged venous varix and a prominent falcine sinus cephalad to the straight sinus. There was mild associated hydrocephalus. A diagnosis of “mural” type of vein of Galen aneurysmal malformation (VGAM) was made. The patient responded well to medical therapy for heart failure and is presently doing well at 3 months' follow-up. He is scheduled to undergo transcatheter embolization at about 8 months of age.

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