Characteristics and outcome in prenatally diagnosed vascular aorta-umbilical vein malformation

Abstract Congenital arteriovenous fistulas involving the abdominal aorta are very rare. We report an unusual presentation involving the umbilical vein and characterized by the occurrence of a postnatal thrombosis and a favorable outcome. Synopsis: Fetal abdominal arteriovenous fistulas are rare involve branches from the aorta and can lead to umbilical vein thrombosis