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Keywords:

  • umbilical vein varix;
  • obstetrics;
  • imperforate anus;
  • three-dimensional sonography

Abstract

Fetal intra-abdominal umbilical vein varix is a rare condition characterized by focal dilatation of the umbilical vein of the fetus. We report a case of fetal intra-abdominal umbilical vein varix associated with additional sonographic abnormalities and detected at 31 weeks' gestation. Several follow-up sonographic examinations were performed, and the prenatal findings were confirmed on postnatal ultrasound. The diagnosis was facilitated by the use of three-dimensional power Doppler sonography. © 2012 Wiley Periodicals, Inc. J Clin Ultrasound, 2012;