Fig. 9

Duodenal stenosis due to Ladd’s band. Fetus at 32 weeks’ gestation. a Fetal coronal single-shot fast spin-echo MR image: the duodenum is greatly dilated until the third portion (short arrow); the stomach seems normal; there may be gastroesophageal reflux. The volume of amniotic fluid is normal. The large bowel is in the left abdomen (long arrows). b X-rays after birth showing marked dilatation of the duodenum. At surgery, intestinal malrotation and Ladd’s band causing duodenal occlusion were found, as well as Meckel’s diverticulum, which was undetected at US and MR