A Sosa Olavarría,  MD, PhD
Perinatology Unit, Carabobo University, Valencia – Venezuela

Third trimester fetus with a Vein of Galen aneurysm. The plain grayscale image demonstrates the centrally located aneurysm (a varix in fact, since this is a vein dilatation), and a small amount of ventriculomegaly.

The coronal view of the Vein of Galen aneurysm.

Color and Power Doppler demonstrated the high amount of flow and turbulence and exquisitely demonstrates the feeder vessels,

These are pictures of the infant at 7 months, with no surgery. Note that there has been no pejorative progression: