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Case Reports in Obstetrics and Gynecology
Volume 2012, Article ID 329547, 4 pages
Case Report

Prenatal Diagnosis of Down Syndrome Associated with Right Aortic Arch and Dilated Septum Cavi Pellucidi

1Servicio de Obstetricia y Ginecología, Hospital de la Plana, 12540 Villarreal, Spain
2Servicio de Anatomía Patológica, Hospital de la Plana, 12540 Villarreal, Spain

Received 5 August 2012; Accepted 28 August 2012

Academic Editors: M. Geary and B. Piura

Copyright © 2012 José Morales-Roselló and Rafael Lázaro-Santander. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


A 30-year-old woman with a normal first trimester Down syndrome screening attended our ultrasound unit for a 20-week scan. The most remarkable anomalies were the presence of a right aortic arch along with a dilated cavum septi pellucidi. In addition, the scan showed an atrioventricular canal and bilateral choroid plexus cysts. Fetal karyotype showed the existence of trisomy 21. A novel association between Down syndrome and dilated cavum septi pellucidi is reported and the relationship between DS and vascular rings is discussed.