Case report. Intra-uterine demonstration of bowel duplication by ultrasound.

In this case report a patient is presented, showing large sonolucent areas inside the fetal abdomen at 20 wk of gestation. Gastrointestinal (GI) tract obstruction was suspected. There was no polyhydramnios. After premature delivery the child showed marked abdominal distention, but stayed in good condition without signs of GI tract obstruction. At laparotomy, a 30 cm long, distended duplication of the terminal ileum was removed. Postoperative course was uneventful.