Neonatal gastrointestinal imaging.

As an aid to practicing neonatologists, the many gastrointestinal anomalies and diseases found in neonates are discussed with regard to choosing the most efficient and appropriate imaging modalities in each. The discussion is organized under anatomical headings: esophagus, stomach, small bowel, colon, liver, and miscellaneous. Nine representative images are included as illustrations. There is a brief discussion of umbilical arterial and venous catheters.