[Anomalies of umbilical vein in the fetus. A case report and review of the literature].

Abnormal connexion of the umbilical vein in the inferior vena cava was diagnosed in a fetus at 18 weeks' gestation. Associated anomalies included nuchal and axillary lymphangiectasia, hypertrophic cardiomyopathy and hepatomegaly. Neonatal death occurred after spontaneous vaginal delivery at 25 weeks. A review of the literature summarizes the diagnostic criteria and associated anomalies.