Clinical Presentation

A neonate with severe respiratory distress.

Frontal radiograph demonstrates cystic lucencies at the base of the right hemithorax, which appear continuous with abdominal bowel gas (arrow). The mediastinum is shifted to the left, and the gas-filled stomach is clearly located in the abdomen.

Differential Diagnosis

• Congenital diaphragmatic hernia: The bowel gas extending up from the abdomen, ipsilateral atelectasis, and contralateral mediastinal shift are all typical of congenital diaphragmatic hernia.

• Congenital pulmonary adenomatoid malformation: