Cystic fibrosis and meconium ileus on contrast enema in infant

A contrast enema on a 9-hour-old infant with prenatal diagnosis of intestinal obstruction.
(A) A microcolon (arrows) and dilated gas-filled loops of small bowel (arrowheads), characteristic of meconium ileus.
(B) Calcifications (arrows) in the right upper quadrant, consistent with meconium peritonitis from in utero perforation.