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© 2003 by the American Institute of Ultrasound in Medicine
J Ultrasound Med 22:1357-1362 • 0278-4297

Image Presentation

Perinatal Three-dimensional Color Power Doppler Ultrasonography of Vein of Galen Aneurysms

Rodrigo Ruano, MD, Alexandra Benachi, MD, Marie-Cecile Aubry, MD, Francis Brunelle, MD, Yves Dumez, MD and Marc Dommergues, MD

Maternité (R.R., A.B., M.-C.A., Y.D., M.D.) and Radiologie Pédiatrique (F.B.), Hôpital Necker-Enfants Malades, Paris, France.

Address correspondence and reprint requests to Rodrigo Ruano, Maternité, Hôpital Necker-Enfants Malades, 149 rue de Sèvres, 75743 Paris Cedex 15, France. E-mail: rodrigoruano{at}hotmail.com.

Objective. To present the prenatal and postnatal three-dimensional color power Doppler ultrasonographic features in cases of vein of Galen aneurysmal malformation. Methods. Prenatal threedimensional color power Doppler ultrasonography was used to image the neurovascular malformations in 3 fetuses with vein of Galen aneurysms and in unaffected control fetuses at the same gestational age. Postnatal transfontanel three-dimensional power Doppler ultrasonography was also performed in the third affected case and in an unaffected control neonate. The feeding and drainage vessels were analyzed in the three-dimensional rendering mode. Results. The first case was complicated by porencephaly and fetal heart failure, and the pregnancy was terminated. The other 2 cases were uncomplicated prenatally, but 1 of the infants died after aneurysmal embolization due to acute cerebral ischemia. The angioarchitecture of the arteriovenous fistula was characterized in greater detail by three-dimensional color power Doppler ultrasonography than by two-dimensional ultrasonography, especially regarding the anatomic features of the feeding and drainage vessels and their connections with the dilated vein of Galen. Conclusions. Three-dimensional color power Doppler ultrasonography provided detailed images of the aneurysmal malformation and its vascular connections. Further studies are needed to correlate three-dimensional vascular imaging patterns with outcome.

Key Words: aneurysm, vein of Galen • fetal brain • fetal ultrasonography • power Doppler ultrasonography • prenatal diagnosis • three-dimensional ultrasonography • ultrasonography

Abbreviations: 3D, three-dimensional • 2D, two-dimensional




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Copyright © 2003 by the American Institute of Ultrasound in Medicine.