Persistent right umbilical vein in a fetus with Noonan's syndrome: a case report

We present a case of persistent right umbilical vein with Noonan's syndrome . Persistence of the right umbilical vein with no intrahepatic portion is a n uncommon finding with a review of the literature revealing only five othe r cases. In these cases drainage was directly into the right atrium, inferi or vena cava (IVC) or IVC via the iliac vein. Of the reported cases Noonan' s syndrome was confirmed in one case and suspected in a second. This report represents a third case of persistent right umbilical vein with confirmed Noonan's syndrome.